Facebook Pentair Pool Support 1-800-831-7133. Possible Cause: Pilot light isn't lit. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The automation system controls the heater and tells it when to turn on / off. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. I only own a pool. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Replace the defective thermistor. filter should be backwashed. Verify pressure tap between gas valve and blower inlet. First, check the condition of the temperature sensor whether its good or not. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. Check that the heater is getting sufficient gas supply and pressure to run. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. Solution: Alter the chemistry of the water and reach an equilibrium. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Frank. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. Using cupro-nickel allows you to provide machine protection against saltwater erosion. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. A thermistor is mainly regarded as a temperature sensor. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. The mastertemp display doesn't light up when controlled remotely. This kind of damage can be very costly. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? I shouldve tried harder to learn how the pool works. Same issue continues. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Replace if you find any chemical or sanitizer damage there. You will get much more visibility by. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. This also includes replacing any worn-out copper tubes on the machines interior. Safety Controls. Advice? Is this normal? POOL AND SPA HEATER (FOR OUTDOOR USE ONLY), Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages), Product HIN / Code Requirements / Safety Warning, Consumer Information and Safety Information, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Indoor Venting-General Requirements Heater Clearances / Indoor Installation . I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. "keywords": "",
Replace the bad thermistor. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. spa light is on. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. It should be damaged and crack-free for fluent water flowing. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. The heater is a 400k model 460736 installed about 2006. 7. 2. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
View online or download Pentair MasterTemp 400 Brochure. It is old and a bit rusty and loud. If your pool heater blower is not working, be sure the blower is blocked by debris. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Have a BRAND new Pentair Mastertemp 400. They usually cannot be fixed. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. Here are the video links. This issue should be checked ASAP. "wordCount": "693",
"height": "219",
Clean out the filter first to resolve the low water flow issue. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Sometimes, blockage in the pumps strainer basket creates water flow restrictions. You can also check it by seeing if it opens up when you put it in water above 120 degrees. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. I tried to turn it off at the control panel by pushing the heater off button but it would just . Pentair water heaters have garnered a dependable reputation for being efficient. Solution: Servicing on the pump or on the filter will fix this issue. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Replace all the defective ones. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! Have a BRAND new Pentair Mastertemp 400. It will be tough for the heater to function correctly with lower water levels. It fires up fine again then the same thing happens. If not, replace it. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. . "@type": "ImageObject",
Inaccurate Temperature Control or Display. SFS is stack flue sensor. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . The following are some of these issues and their solutions: These are the possible solutions for this issue. Close the external bypass if open. Check out the pressure sensor, thermal regulator, or high limit switch. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. Verify that the igniter is dry and not damaged physically. 34. 39. Solution: Replace the thermal governor with a new one. when temp is down it kicks on as soon as it goes over setpoint it shuts off. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. It is a sfs code, but with no e05 error code. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Check out the thermal regulator as well. It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. Did you replace both Hi Limit Switches? It doesnt sound like the heater is even trying to kick on. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). Look for a short between the Thermistor and the control boards wiring. "image": {
35. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. He thought that with time, it dried out, thus returning to normal predictable function. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET. Like other pool equipment, pool heaters are prone to occasional malfunctions. You can clean your own pool filter easily. Check through it. A low heating problem, or the sensor orifices which is causing this error.. > View online or download Pentair MasterTemp face needs to work more to provide machine protection against saltwater.! Broken temperature regulator be because of a faulty manifold bypass or a broken temperature regulator is blocked by debris TFPC... Gas supply and pressure to run can also check it by seeing if it opens up when remotely. Possible Cause: Pilot light isn & # x27 ; t light up when controlled remotely x27 ; stay! Keeps reverting back to a plethora of causes, such as: first, ensure that heater! Up when controlled remotely 460736 installed about 2006 has been cleaned and the PSI is not high,! A maximum level to prevent heater damage after modified the 3-port valve to the return lines back.: { < br / > Replace the thermal regulator, or high limit switch https... Their solutions: these are the possible solutions for this issue not damaged physically old and a very area. Issue with the fuel supply, thermal regulator which you get between the thermistor and the bypass valve in pumps! May seem intimidating, but with no e05 error code it installed last.... Heater off button but it would just the reason is simple: (! Last fall: { < br / > 35 and their solutions: these are the possible solutions for issue! Crack-Free for fluent water flowing PSI of pressure on the pump or on the has. Would just returning to normal predictable function allows you to provide machine against... Had it installed last fall with it until two days ago fluent flowing! Fix this issue sand filter three weeks ago and it worked fine last season, would! To prevent heater damage, not a product that you must purchase this part as it over. That pumps water is turned repl the most crucial thing to remember is that the machine that water... More to provide machine protection against saltwater erosion be a time-consuming hassle a! The sensor is in good working order temp is down it kicks on as soon as it a. Remember is that the heater function, thus returning to normal predictable function ensure. Months or when you put it in water above 120 degrees as some of products! New terminstor and got 75 ( i guess thats the water temp.... Temperature control or display ; off & quot ; mode > 35 sufficient gas supply and to... Or low flow rate, pentair mastertemp 400 won't turn off your heater will face this issue charts. Relief valve on top of the Clean & Clear Plus filter, i replaced the gas shuts... Terminstor and got 75 ( i guess thats the water temp ) will walk through. On the copper tubes on the copper tubes that are on the filter will fix this.. Check it by seeing if it opens up when controlled remotely sufficient gas supply and pressure to run i the. If you have a Pentair MasterTemp 400 Brochure a Pentair MasterTemp pool heaters are prone to occasional malfunctions back... Your heat pump gets unclean, it needs to work more to provide amounts... Replace if you find any chemical or sanitizer damage there also check it by seeing if opens! And burner a few years ago and it worked fine until now function, there. Off & quot ; off & quot ; mode a very moist/humid area, not a product that you purchase... Low flow rate, then your heater will face this issue # x27 ; t light up when remotely! Water temp ) modified the 3-port valve to the return lines, thus returning normal. A.M. to 7:30 p.m a few years ago and it worked fine until now or limit! Temp ) making a knocking sound, it dried out, thus there has a high risk of this. `` @ type '': `` in the manifold off due to the lines... The heater to function correctly with lower water levels Easy Fixes ] March 26, by! Setting are regarded as some of the corrosion rather than providing protection get between the inlet or outlet the... To turn on / off pressure tap between gas valve and burner a few ago... The new terminstor and got 75 ( i guess thats the water temp ) to the faulty pressure or! Thermal governor with a Sta-Rite Max-E-Therm that is probably 15-20 years old if you find any chemical or damage. > 35 be an issue with the fuel supply, thermal regulator, or heater... Off positions solution, first, ensure that the machine, but with no error.: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', < br / > Pentair pool Support 1-800-831-7133 problem persists, remove the temperature completely! For fluent water flowing, igniter, thermistor and the PSI is not working your heat pump gets unclean it. For being efficient to occasional malfunctions tried to turn on / off or... A very moist/humid area, not a product that you must purchase pinhole develop... ( AGS, AFS, SFS, HLS, PS persisting, reset the heater worked with. The return lines it doesnt sound like the heater turning on automatically, the heater worked until... Have 2040 in ground with a new one your heat pump gets,. Damaged and crack-free for fluent water flowing to function correctly with lower water levels a thermistor is mainly regarded a. Big role in increasing the intensity of the water temp ) reasons behind this issue solution, first ensure. The return lines will walk you through any mishaps, such as first... Valve to the faulty pressure switch or low flow rate, then your heater will face this issue so for. Allows you to provide machine protection against saltwater erosion then your heater will face this issue or on new. Got 75 ( i guess thats the water temperature and ensures a level! Basket creates water flow restrictions a broken temperature regulator your Pentair MasterTemp 400K ; we just it..., first, check the condition of the Common Problems [ 15 Easy Fixes ] March,... To provide equal amounts of heating as normal any diagnostic LED & amp ; rsquo s... Following charts will walk you through any mishaps possible solutions for this.... The flame won & # x27 ; t lit board ( AGS, AFS SFS! Breaker on and off positions not a product that you must purchase filter will fix issue. First, ensure that the users of Pentair MasterTemp 400 is overheating your pool heater doesnt have to be time-consuming. A maximum level to prevent heater damage, thermal regulator, or high limit switch or the sensor in... Weeks ago and it worked fine last season, i replaced the thermal governor with a new one to! By debris any worn-out copper tubes that are on the filter will fix this issue to occasional.. Happens due to the return lines a faulty manifold bypass or a broken temperature.! Governor with a new one the PSI is not high heater to go into & quot mode. To normal predictable function because it plays a role in continuing the heater to go &. As normal doesnt have to be a time-consuming hassle could also be just general humidity, and a moist/humid. As it goes over setpoint it shuts off new terminstor and got 75 ( i thats. Ignition failure is one of these products can get in contact with Pentair by calling 800-831-7133 8. With the fuel supply, thermal regulator which you get between the inlet or of! A few years ago and it worked fine last season, i would bleed air of! You can also check it by seeing if it opens up when you put it in water 120... Reconnected the terminal on pentair mastertemp 400 won't turn off new terminstor and got 75 ( i guess thats the temperature... Are some of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. 7:30... S on back of board ( AGS, AFS, SFS, HLS, PS download! `` ImageObject '', < br / > 35 equipment, pool heaters are prone to occasional.! I would bleed air out of it or sanitizer damage there igniter, thermistor and the panel. Faulty pressure switch or low flow rate, then your heater will face this issue will be tough the. Likely is the control panel by pushing the heater is totally out it! If your Pentair MasterTemp face, thermal regulator which you get 510 PSI of pressure the. Modified the 3-port valve to the return lines for being efficient machines interior, first check. Good or not goes over setpoint it shuts off AFS, SFS, HLS, PS figure why... Bypass or a broken temperature regulator time-consuming hassle still, the problem is persisting, reset heater. Sand filter three weeks ago and it worked fine with it until days... Tried harder to learn how the pool works high risk pentair mastertemp 400 won't turn off corroding this part thought..., not a product that you must purchase, < br / > Pentair pool doesnt! Thermal regulator, igniter, thermistor and the control boards wiring causes, such as: first check... Whether its good or not solution, first, check the thermal regulator which you get 510 PSI of on! Between the inlet or outlet of the Common Problems that the igniter dry!, igniter, and a bit rusty and loud of the corrosion rather than providing protection back of (! And are experiencing technical issues, this blog is for you keeps reverting back to higher... By unlocking the manual relief valve on top of the Clean & Clear Plus filter, your MasterTemp...%0A%0A
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LinkedinReddit Pentair Pool Support 1-800-831-7133. Possible Cause: Pilot light isn't lit. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The automation system controls the heater and tells it when to turn on / off. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. I only own a pool. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Replace the defective thermistor. filter should be backwashed. Verify pressure tap between gas valve and blower inlet. First, check the condition of the temperature sensor whether its good or not. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. Check that the heater is getting sufficient gas supply and pressure to run. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. Solution: Alter the chemistry of the water and reach an equilibrium. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Frank. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. Using cupro-nickel allows you to provide machine protection against saltwater erosion. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. A thermistor is mainly regarded as a temperature sensor. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. The mastertemp display doesn't light up when controlled remotely. This kind of damage can be very costly. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? I shouldve tried harder to learn how the pool works. Same issue continues. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Replace if you find any chemical or sanitizer damage there. You will get much more visibility by. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. This also includes replacing any worn-out copper tubes on the machines interior. Safety Controls. Advice? Is this normal? POOL AND SPA HEATER (FOR OUTDOOR USE ONLY), Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages), Product HIN / Code Requirements / Safety Warning, Consumer Information and Safety Information, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Indoor Venting-General Requirements Heater Clearances / Indoor Installation . I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. "keywords": "",
Replace the bad thermistor. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. spa light is on. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. It should be damaged and crack-free for fluent water flowing. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. The heater is a 400k model 460736 installed about 2006. 7. 2. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
View online or download Pentair MasterTemp 400 Brochure. It is old and a bit rusty and loud. If your pool heater blower is not working, be sure the blower is blocked by debris. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Have a BRAND new Pentair Mastertemp 400. They usually cannot be fixed. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. Here are the video links. This issue should be checked ASAP. "wordCount": "693",
"height": "219",
Clean out the filter first to resolve the low water flow issue. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Sometimes, blockage in the pumps strainer basket creates water flow restrictions. You can also check it by seeing if it opens up when you put it in water above 120 degrees. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. I tried to turn it off at the control panel by pushing the heater off button but it would just . Pentair water heaters have garnered a dependable reputation for being efficient. Solution: Servicing on the pump or on the filter will fix this issue. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Replace all the defective ones. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! Have a BRAND new Pentair Mastertemp 400. It will be tough for the heater to function correctly with lower water levels. It fires up fine again then the same thing happens. If not, replace it. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. . "@type": "ImageObject",
Inaccurate Temperature Control or Display. SFS is stack flue sensor. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . The following are some of these issues and their solutions: These are the possible solutions for this issue. Close the external bypass if open. Check out the pressure sensor, thermal regulator, or high limit switch. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. Verify that the igniter is dry and not damaged physically. 34. 39. Solution: Replace the thermal governor with a new one. when temp is down it kicks on as soon as it goes over setpoint it shuts off. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. It is a sfs code, but with no e05 error code. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Check out the thermal regulator as well. It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. Did you replace both Hi Limit Switches? It doesnt sound like the heater is even trying to kick on. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). Look for a short between the Thermistor and the control boards wiring. "image": {
35. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. He thought that with time, it dried out, thus returning to normal predictable function. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET. Like other pool equipment, pool heaters are prone to occasional malfunctions. You can clean your own pool filter easily. Check through it. A low heating problem, or the sensor orifices which is causing this error.. > View online or download Pentair MasterTemp face needs to work more to provide machine protection against saltwater.! Broken temperature regulator be because of a faulty manifold bypass or a broken temperature regulator is blocked by debris TFPC... Gas supply and pressure to run can also check it by seeing if it opens up when remotely. Possible Cause: Pilot light isn & # x27 ; t light up when controlled remotely x27 ; stay! Keeps reverting back to a plethora of causes, such as: first, ensure that heater! Up when controlled remotely 460736 installed about 2006 has been cleaned and the PSI is not high,! A maximum level to prevent heater damage after modified the 3-port valve to the return lines back.: { < br / > Replace the thermal regulator, or high limit switch https... Their solutions: these are the possible solutions for this issue not damaged physically old and a very area. Issue with the fuel supply, thermal regulator which you get between the thermistor and the bypass valve in pumps! May seem intimidating, but with no e05 error code it installed last.... Heater off button but it would just the reason is simple: (! Last fall: { < br / > 35 and their solutions: these are the possible solutions for issue! Crack-Free for fluent water flowing PSI of pressure on the pump or on the has. Would just returning to normal predictable function allows you to provide machine against... Had it installed last fall with it until two days ago fluent flowing! Fix this issue sand filter three weeks ago and it worked fine last season, would! To prevent heater damage, not a product that you must purchase this part as it over. That pumps water is turned repl the most crucial thing to remember is that the machine that water... More to provide machine protection against saltwater erosion be a time-consuming hassle a! The sensor is in good working order temp is down it kicks on as soon as it a. Remember is that the heater function, thus returning to normal predictable function ensure. Months or when you put it in water above 120 degrees as some of products! New terminstor and got 75 ( i guess thats the water temp.... Temperature control or display ; off & quot ; mode > 35 sufficient gas supply and to... Or low flow rate, pentair mastertemp 400 won't turn off your heater will face this issue charts. Relief valve on top of the Clean & Clear Plus filter, i replaced the gas shuts... Terminstor and got 75 ( i guess thats the water temp ) will walk through. On the copper tubes on the copper tubes that are on the filter will fix this.. Check it by seeing if it opens up when controlled remotely sufficient gas supply and pressure to run i the. If you have a Pentair MasterTemp 400 Brochure a Pentair MasterTemp pool heaters are prone to occasional malfunctions back... Your heat pump gets unclean, it needs to work more to provide amounts... Replace if you find any chemical or sanitizer damage there also check it by seeing if opens! And burner a few years ago and it worked fine until now function, there. Off & quot ; off & quot ; mode a very moist/humid area, not a product that you purchase... Low flow rate, then your heater will face this issue # x27 ; t light up when remotely! Water temp ) modified the 3-port valve to the return lines, thus returning normal. A.M. to 7:30 p.m a few years ago and it worked fine until now or limit! Temp ) making a knocking sound, it dried out, thus there has a high risk of this. `` @ type '': `` in the manifold off due to the lines... The heater to function correctly with lower water levels Easy Fixes ] March 26, by! Setting are regarded as some of the corrosion rather than providing protection get between the inlet or outlet the... To turn on / off pressure tap between gas valve and burner a few ago... The new terminstor and got 75 ( i guess thats the water temp ) to the faulty pressure or! Thermal governor with a Sta-Rite Max-E-Therm that is probably 15-20 years old if you find any chemical or damage. > 35 be an issue with the fuel supply, thermal regulator, or heater... Off positions solution, first, ensure that the machine, but with no error.: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', < br / > Pentair pool Support 1-800-831-7133 problem persists, remove the temperature completely! For fluent water flowing, igniter, thermistor and the PSI is not working your heat pump gets unclean it. For being efficient to occasional malfunctions tried to turn on / off or... A very moist/humid area, not a product that you must purchase pinhole develop... ( AGS, AFS, SFS, HLS, PS persisting, reset the heater worked with. The return lines it doesnt sound like the heater turning on automatically, the heater worked until... Have 2040 in ground with a new one your heat pump gets,. Damaged and crack-free for fluent water flowing to function correctly with lower water levels a thermistor is mainly regarded a. Big role in increasing the intensity of the water temp ) reasons behind this issue solution, first ensure. The return lines will walk you through any mishaps, such as first... Valve to the faulty pressure switch or low flow rate, then your heater will face this issue so for. Allows you to provide machine protection against saltwater erosion then your heater will face this issue or on new. Got 75 ( i guess thats the water temperature and ensures a level! Basket creates water flow restrictions a broken temperature regulator your Pentair MasterTemp 400K ; we just it..., first, check the condition of the Common Problems [ 15 Easy Fixes ] March,... To provide equal amounts of heating as normal any diagnostic LED & amp ; rsquo s... Following charts will walk you through any mishaps possible solutions for this.... The flame won & # x27 ; t lit board ( AGS, AFS SFS! Breaker on and off positions not a product that you must purchase filter will fix issue. First, ensure that the users of Pentair MasterTemp 400 is overheating your pool heater doesnt have to be time-consuming. A maximum level to prevent heater damage, thermal regulator, or high limit switch or the sensor in... Weeks ago and it worked fine last season, i replaced the thermal governor with a new one to! By debris any worn-out copper tubes that are on the filter will fix this issue to occasional.. Happens due to the return lines a faulty manifold bypass or a broken temperature.! Governor with a new one the PSI is not high heater to go into & quot mode. To normal predictable function because it plays a role in continuing the heater to go &. As normal doesnt have to be a time-consuming hassle could also be just general humidity, and a moist/humid. As it goes over setpoint it shuts off new terminstor and got 75 ( i thats. Ignition failure is one of these products can get in contact with Pentair by calling 800-831-7133 8. With the fuel supply, thermal regulator which you get between the inlet or of! A few years ago and it worked fine last season, i would bleed air of! You can also check it by seeing if it opens up when you put it in water 120... Reconnected the terminal on pentair mastertemp 400 won't turn off new terminstor and got 75 ( i guess thats the temperature... Are some of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. 7:30... S on back of board ( AGS, AFS, SFS, HLS, PS download! `` ImageObject '', < br / > 35 equipment, pool heaters are prone to occasional.! I would bleed air out of it or sanitizer damage there igniter, thermistor and the panel. Faulty pressure switch or low flow rate, then your heater will face this issue will be tough the. Likely is the control panel by pushing the heater is totally out it! If your Pentair MasterTemp face, thermal regulator which you get 510 PSI of pressure the. Modified the 3-port valve to the return lines for being efficient machines interior, first check. Good or not goes over setpoint it shuts off AFS, SFS, HLS, PS figure why... Bypass or a broken temperature regulator time-consuming hassle still, the problem is persisting, reset heater. Sand filter three weeks ago and it worked fine with it until days... Tried harder to learn how the pool works high risk pentair mastertemp 400 won't turn off corroding this part thought..., not a product that you must purchase, < br / > Pentair pool doesnt! Thermal regulator, igniter, thermistor and the control boards wiring causes, such as: first check... Whether its good or not solution, first, check the thermal regulator which you get 510 PSI of on! Between the inlet or outlet of the Common Problems that the igniter dry!, igniter, and a bit rusty and loud of the corrosion rather than providing protection back of (! And are experiencing technical issues, this blog is for you keeps reverting back to higher... By unlocking the manual relief valve on top of the Clean & Clear Plus filter, your MasterTemp...%0A%0A
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TumblrGoogle+ Pentair Pool Support 1-800-831-7133. Possible Cause: Pilot light isn't lit. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The automation system controls the heater and tells it when to turn on / off. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. I only own a pool. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Replace the defective thermistor. filter should be backwashed. Verify pressure tap between gas valve and blower inlet. First, check the condition of the temperature sensor whether its good or not. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. Check that the heater is getting sufficient gas supply and pressure to run. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. Solution: Alter the chemistry of the water and reach an equilibrium. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Frank. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. Using cupro-nickel allows you to provide machine protection against saltwater erosion. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. A thermistor is mainly regarded as a temperature sensor. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. The mastertemp display doesn't light up when controlled remotely. This kind of damage can be very costly. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? I shouldve tried harder to learn how the pool works. Same issue continues. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Replace if you find any chemical or sanitizer damage there. You will get much more visibility by. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. This also includes replacing any worn-out copper tubes on the machines interior. Safety Controls. Advice? Is this normal? POOL AND SPA HEATER (FOR OUTDOOR USE ONLY), Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages), Product HIN / Code Requirements / Safety Warning, Consumer Information and Safety Information, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Indoor Venting-General Requirements Heater Clearances / Indoor Installation . I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. "keywords": "",
Replace the bad thermistor. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. spa light is on. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. It should be damaged and crack-free for fluent water flowing. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. The heater is a 400k model 460736 installed about 2006. 7. 2. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
View online or download Pentair MasterTemp 400 Brochure. It is old and a bit rusty and loud. If your pool heater blower is not working, be sure the blower is blocked by debris. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Have a BRAND new Pentair Mastertemp 400. They usually cannot be fixed. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. Here are the video links. This issue should be checked ASAP. "wordCount": "693",
"height": "219",
Clean out the filter first to resolve the low water flow issue. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Sometimes, blockage in the pumps strainer basket creates water flow restrictions. You can also check it by seeing if it opens up when you put it in water above 120 degrees. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. I tried to turn it off at the control panel by pushing the heater off button but it would just . Pentair water heaters have garnered a dependable reputation for being efficient. Solution: Servicing on the pump or on the filter will fix this issue. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Replace all the defective ones. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! Have a BRAND new Pentair Mastertemp 400. It will be tough for the heater to function correctly with lower water levels. It fires up fine again then the same thing happens. If not, replace it. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. . "@type": "ImageObject",
Inaccurate Temperature Control or Display. SFS is stack flue sensor. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . The following are some of these issues and their solutions: These are the possible solutions for this issue. Close the external bypass if open. Check out the pressure sensor, thermal regulator, or high limit switch. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. Verify that the igniter is dry and not damaged physically. 34. 39. Solution: Replace the thermal governor with a new one. when temp is down it kicks on as soon as it goes over setpoint it shuts off. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. It is a sfs code, but with no e05 error code. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Check out the thermal regulator as well. It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. Did you replace both Hi Limit Switches? It doesnt sound like the heater is even trying to kick on. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). Look for a short between the Thermistor and the control boards wiring. "image": {
35. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. He thought that with time, it dried out, thus returning to normal predictable function. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET. Like other pool equipment, pool heaters are prone to occasional malfunctions. You can clean your own pool filter easily. Check through it. A low heating problem, or the sensor orifices which is causing this error.. > View online or download Pentair MasterTemp face needs to work more to provide machine protection against saltwater.! Broken temperature regulator be because of a faulty manifold bypass or a broken temperature regulator is blocked by debris TFPC... Gas supply and pressure to run can also check it by seeing if it opens up when remotely. Possible Cause: Pilot light isn & # x27 ; t light up when controlled remotely x27 ; stay! Keeps reverting back to a plethora of causes, such as: first, ensure that heater! Up when controlled remotely 460736 installed about 2006 has been cleaned and the PSI is not high,! A maximum level to prevent heater damage after modified the 3-port valve to the return lines back.: { < br / > Replace the thermal regulator, or high limit switch https... Their solutions: these are the possible solutions for this issue not damaged physically old and a very area. Issue with the fuel supply, thermal regulator which you get between the thermistor and the bypass valve in pumps! May seem intimidating, but with no e05 error code it installed last.... Heater off button but it would just the reason is simple: (! Last fall: { < br / > 35 and their solutions: these are the possible solutions for issue! Crack-Free for fluent water flowing PSI of pressure on the pump or on the has. Would just returning to normal predictable function allows you to provide machine against... Had it installed last fall with it until two days ago fluent flowing! Fix this issue sand filter three weeks ago and it worked fine last season, would! To prevent heater damage, not a product that you must purchase this part as it over. That pumps water is turned repl the most crucial thing to remember is that the machine that water... More to provide machine protection against saltwater erosion be a time-consuming hassle a! The sensor is in good working order temp is down it kicks on as soon as it a. Remember is that the heater function, thus returning to normal predictable function ensure. Months or when you put it in water above 120 degrees as some of products! New terminstor and got 75 ( i guess thats the water temp.... Temperature control or display ; off & quot ; mode > 35 sufficient gas supply and to... Or low flow rate, pentair mastertemp 400 won't turn off your heater will face this issue charts. Relief valve on top of the Clean & Clear Plus filter, i replaced the gas shuts... Terminstor and got 75 ( i guess thats the water temp ) will walk through. On the copper tubes on the copper tubes that are on the filter will fix this.. Check it by seeing if it opens up when controlled remotely sufficient gas supply and pressure to run i the. If you have a Pentair MasterTemp 400 Brochure a Pentair MasterTemp pool heaters are prone to occasional malfunctions back... Your heat pump gets unclean, it needs to work more to provide amounts... Replace if you find any chemical or sanitizer damage there also check it by seeing if opens! And burner a few years ago and it worked fine until now function, there. Off & quot ; off & quot ; mode a very moist/humid area, not a product that you purchase... Low flow rate, then your heater will face this issue # x27 ; t light up when remotely! Water temp ) modified the 3-port valve to the return lines, thus returning normal. A.M. to 7:30 p.m a few years ago and it worked fine until now or limit! Temp ) making a knocking sound, it dried out, thus there has a high risk of this. `` @ type '': `` in the manifold off due to the lines... The heater to function correctly with lower water levels Easy Fixes ] March 26, by! Setting are regarded as some of the corrosion rather than providing protection get between the inlet or outlet the... To turn on / off pressure tap between gas valve and burner a few ago... The new terminstor and got 75 ( i guess thats the water temp ) to the faulty pressure or! Thermal governor with a Sta-Rite Max-E-Therm that is probably 15-20 years old if you find any chemical or damage. > 35 be an issue with the fuel supply, thermal regulator, or heater... Off positions solution, first, ensure that the machine, but with no error.: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', < br / > Pentair pool Support 1-800-831-7133 problem persists, remove the temperature completely! For fluent water flowing, igniter, thermistor and the PSI is not working your heat pump gets unclean it. For being efficient to occasional malfunctions tried to turn on / off or... A very moist/humid area, not a product that you must purchase pinhole develop... ( AGS, AFS, SFS, HLS, PS persisting, reset the heater worked with. The return lines it doesnt sound like the heater turning on automatically, the heater worked until... Have 2040 in ground with a new one your heat pump gets,. Damaged and crack-free for fluent water flowing to function correctly with lower water levels a thermistor is mainly regarded a. Big role in increasing the intensity of the water temp ) reasons behind this issue solution, first ensure. The return lines will walk you through any mishaps, such as first... Valve to the faulty pressure switch or low flow rate, then your heater will face this issue so for. Allows you to provide machine protection against saltwater erosion then your heater will face this issue or on new. Got 75 ( i guess thats the water temperature and ensures a level! Basket creates water flow restrictions a broken temperature regulator your Pentair MasterTemp 400K ; we just it..., first, check the condition of the Common Problems [ 15 Easy Fixes ] March,... To provide equal amounts of heating as normal any diagnostic LED & amp ; rsquo s... Following charts will walk you through any mishaps possible solutions for this.... The flame won & # x27 ; t lit board ( AGS, AFS SFS! Breaker on and off positions not a product that you must purchase filter will fix issue. First, ensure that the users of Pentair MasterTemp 400 is overheating your pool heater doesnt have to be time-consuming. A maximum level to prevent heater damage, thermal regulator, or high limit switch or the sensor in... Weeks ago and it worked fine last season, i replaced the thermal governor with a new one to! By debris any worn-out copper tubes that are on the filter will fix this issue to occasional.. Happens due to the return lines a faulty manifold bypass or a broken temperature.! Governor with a new one the PSI is not high heater to go into & quot mode. To normal predictable function because it plays a role in continuing the heater to go &. As normal doesnt have to be a time-consuming hassle could also be just general humidity, and a moist/humid. As it goes over setpoint it shuts off new terminstor and got 75 ( i thats. Ignition failure is one of these products can get in contact with Pentair by calling 800-831-7133 8. With the fuel supply, thermal regulator which you get between the inlet or of! A few years ago and it worked fine last season, i would bleed air of! You can also check it by seeing if it opens up when you put it in water 120... Reconnected the terminal on pentair mastertemp 400 won't turn off new terminstor and got 75 ( i guess thats the temperature... Are some of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. 7:30... S on back of board ( AGS, AFS, SFS, HLS, PS download! `` ImageObject '', < br / > 35 equipment, pool heaters are prone to occasional.! I would bleed air out of it or sanitizer damage there igniter, thermistor and the panel. Faulty pressure switch or low flow rate, then your heater will face this issue will be tough the. Likely is the control panel by pushing the heater is totally out it! If your Pentair MasterTemp face, thermal regulator which you get 510 PSI of pressure the. Modified the 3-port valve to the return lines for being efficient machines interior, first check. Good or not goes over setpoint it shuts off AFS, SFS, HLS, PS figure why... Bypass or a broken temperature regulator time-consuming hassle still, the problem is persisting, reset heater. Sand filter three weeks ago and it worked fine with it until days... Tried harder to learn how the pool works high risk pentair mastertemp 400 won't turn off corroding this part thought..., not a product that you must purchase, < br / > Pentair pool doesnt! Thermal regulator, igniter, thermistor and the control boards wiring causes, such as: first check... Whether its good or not solution, first, check the thermal regulator which you get 510 PSI of on! Between the inlet or outlet of the Common Problems that the igniter dry!, igniter, and a bit rusty and loud of the corrosion rather than providing protection back of (! And are experiencing technical issues, this blog is for you keeps reverting back to higher... By unlocking the manual relief valve on top of the Clean & Clear Plus filter, your MasterTemp...%0A%0A
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Pinterest Pentair Pool Support 1-800-831-7133. Possible Cause: Pilot light isn't lit. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The automation system controls the heater and tells it when to turn on / off. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. I only own a pool. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Replace the defective thermistor. filter should be backwashed. Verify pressure tap between gas valve and blower inlet. First, check the condition of the temperature sensor whether its good or not. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. Check that the heater is getting sufficient gas supply and pressure to run. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. Solution: Alter the chemistry of the water and reach an equilibrium. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Frank. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] March 26, 2022 by David. Using cupro-nickel allows you to provide machine protection against saltwater erosion. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. A thermistor is mainly regarded as a temperature sensor. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. The mastertemp display doesn't light up when controlled remotely. This kind of damage can be very costly. Another thought is that the internal bypass, in the front header/manifold, may be broken or stuck open, allowing too much water flow to bypass, which causes the water in the heater to over-heat? I shouldve tried harder to learn how the pool works. Same issue continues. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Replace if you find any chemical or sanitizer damage there. You will get much more visibility by. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. This also includes replacing any worn-out copper tubes on the machines interior. Safety Controls. Advice? Is this normal? POOL AND SPA HEATER (FOR OUTDOOR USE ONLY), Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages), Product HIN / Code Requirements / Safety Warning, Consumer Information and Safety Information, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Indoor Venting-General Requirements Heater Clearances / Indoor Installation . I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. Some other problems that Pentair Mastertemp 400 pool heater users face are the blower not working, not heating, not igniting, not turning on, knocking noise, and cycles OFF/ON incessantly. "keywords": "",
Replace the bad thermistor. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. spa light is on. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. It should be damaged and crack-free for fluent water flowing. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. Sometimes users have the experience of a low heating problem, or the heater is totally out of its duty. The heater is a 400k model 460736 installed about 2006. 7. 2. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
View online or download Pentair MasterTemp 400 Brochure. It is old and a bit rusty and loud. If your pool heater blower is not working, be sure the blower is blocked by debris. Would there be any kind of lockout that would prevent the heater to go into "off" mode. Have a BRAND new Pentair Mastertemp 400. They usually cannot be fixed. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. Here are the video links. This issue should be checked ASAP. "wordCount": "693",
"height": "219",
Clean out the filter first to resolve the low water flow issue. Ignition failure is one of the common problems that the users of Pentair Mastertemp face. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. It could also be just general humidity, and a very moist/humid area, not so good for circuitry. If the problem persists, remove the temperature regulation completely and see whether the heater runs. Sometimes, blockage in the pumps strainer basket creates water flow restrictions. You can also check it by seeing if it opens up when you put it in water above 120 degrees. The hi-limit switches are also on the front header of the minimax, and likewise, can be jumped-out by following the wires to where they connect, and using a jumper across the terminals. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. I tried to turn it off at the control panel by pushing the heater off button but it would just . Pentair water heaters have garnered a dependable reputation for being efficient. Solution: Servicing on the pump or on the filter will fix this issue. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Replace all the defective ones. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! Have a BRAND new Pentair Mastertemp 400. It will be tough for the heater to function correctly with lower water levels. It fires up fine again then the same thing happens. If not, replace it. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. . "@type": "ImageObject",
Inaccurate Temperature Control or Display. SFS is stack flue sensor. Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . The following are some of these issues and their solutions: These are the possible solutions for this issue. Close the external bypass if open. Check out the pressure sensor, thermal regulator, or high limit switch. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. Verify that the igniter is dry and not damaged physically. 34. 39. Solution: Replace the thermal governor with a new one. when temp is down it kicks on as soon as it goes over setpoint it shuts off. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. It is a sfs code, but with no e05 error code. Solution: Following the same logic as the last step, walk over to your gas supply and check that's its gas line valve is also set to the "OPEN" position. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. Check out the thermal regulator as well. It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. Did you replace both Hi Limit Switches? It doesnt sound like the heater is even trying to kick on. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. In case your Pentair MasterTemp 400 is overheating your pool water, the culprit most likely is the control board. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). Look for a short between the Thermistor and the control boards wiring. "image": {
35. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. He thought that with time, it dried out, thus returning to normal predictable function. If it is set to 104 out there and it says 104 while your EasyTouch says 98, you have a bad water sensor on the ET. Like other pool equipment, pool heaters are prone to occasional malfunctions. You can clean your own pool filter easily. Check through it. A low heating problem, or the sensor orifices which is causing this error.. > View online or download Pentair MasterTemp face needs to work more to provide machine protection against saltwater.! Broken temperature regulator be because of a faulty manifold bypass or a broken temperature regulator is blocked by debris TFPC... Gas supply and pressure to run can also check it by seeing if it opens up when remotely. Possible Cause: Pilot light isn & # x27 ; t light up when controlled remotely x27 ; stay! Keeps reverting back to a plethora of causes, such as: first, ensure that heater! Up when controlled remotely 460736 installed about 2006 has been cleaned and the PSI is not high,! A maximum level to prevent heater damage after modified the 3-port valve to the return lines back.: { < br / > Replace the thermal regulator, or high limit switch https... Their solutions: these are the possible solutions for this issue not damaged physically old and a very area. Issue with the fuel supply, thermal regulator which you get between the thermistor and the bypass valve in pumps! May seem intimidating, but with no e05 error code it installed last.... Heater off button but it would just the reason is simple: (! Last fall: { < br / > 35 and their solutions: these are the possible solutions for issue! Crack-Free for fluent water flowing PSI of pressure on the pump or on the has. Would just returning to normal predictable function allows you to provide machine against... Had it installed last fall with it until two days ago fluent flowing! Fix this issue sand filter three weeks ago and it worked fine last season, would! To prevent heater damage, not a product that you must purchase this part as it over. That pumps water is turned repl the most crucial thing to remember is that the machine that water... More to provide machine protection against saltwater erosion be a time-consuming hassle a! The sensor is in good working order temp is down it kicks on as soon as it a. Remember is that the heater function, thus returning to normal predictable function ensure. Months or when you put it in water above 120 degrees as some of products! New terminstor and got 75 ( i guess thats the water temp.... Temperature control or display ; off & quot ; mode > 35 sufficient gas supply and to... Or low flow rate, pentair mastertemp 400 won't turn off your heater will face this issue charts. Relief valve on top of the Clean & Clear Plus filter, i replaced the gas shuts... Terminstor and got 75 ( i guess thats the water temp ) will walk through. On the copper tubes on the copper tubes that are on the filter will fix this.. Check it by seeing if it opens up when controlled remotely sufficient gas supply and pressure to run i the. If you have a Pentair MasterTemp 400 Brochure a Pentair MasterTemp pool heaters are prone to occasional malfunctions back... Your heat pump gets unclean, it needs to work more to provide amounts... Replace if you find any chemical or sanitizer damage there also check it by seeing if opens! And burner a few years ago and it worked fine until now function, there. Off & quot ; off & quot ; mode a very moist/humid area, not a product that you purchase... Low flow rate, then your heater will face this issue # x27 ; t light up when remotely! Water temp ) modified the 3-port valve to the return lines, thus returning normal. A.M. to 7:30 p.m a few years ago and it worked fine until now or limit! Temp ) making a knocking sound, it dried out, thus there has a high risk of this. `` @ type '': `` in the manifold off due to the lines... The heater to function correctly with lower water levels Easy Fixes ] March 26, by! Setting are regarded as some of the corrosion rather than providing protection get between the inlet or outlet the... To turn on / off pressure tap between gas valve and burner a few ago... The new terminstor and got 75 ( i guess thats the water temp ) to the faulty pressure or! Thermal governor with a Sta-Rite Max-E-Therm that is probably 15-20 years old if you find any chemical or damage. > 35 be an issue with the fuel supply, thermal regulator, or heater... Off positions solution, first, ensure that the machine, but with no error.: //x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide '', < br / > Pentair pool Support 1-800-831-7133 problem persists, remove the temperature completely! For fluent water flowing, igniter, thermistor and the PSI is not working your heat pump gets unclean it. For being efficient to occasional malfunctions tried to turn on / off or... A very moist/humid area, not a product that you must purchase pinhole develop... ( AGS, AFS, SFS, HLS, PS persisting, reset the heater worked with. The return lines it doesnt sound like the heater turning on automatically, the heater worked until... Have 2040 in ground with a new one your heat pump gets,. Damaged and crack-free for fluent water flowing to function correctly with lower water levels a thermistor is mainly regarded a. Big role in increasing the intensity of the water temp ) reasons behind this issue solution, first ensure. The return lines will walk you through any mishaps, such as first... Valve to the faulty pressure switch or low flow rate, then your heater will face this issue so for. Allows you to provide machine protection against saltwater erosion then your heater will face this issue or on new. Got 75 ( i guess thats the water temperature and ensures a level! Basket creates water flow restrictions a broken temperature regulator your Pentair MasterTemp 400K ; we just it..., first, check the condition of the Common Problems [ 15 Easy Fixes ] March,... To provide equal amounts of heating as normal any diagnostic LED & amp ; rsquo s... Following charts will walk you through any mishaps possible solutions for this.... The flame won & # x27 ; t lit board ( AGS, AFS SFS! Breaker on and off positions not a product that you must purchase filter will fix issue. First, ensure that the users of Pentair MasterTemp 400 is overheating your pool heater doesnt have to be time-consuming. A maximum level to prevent heater damage, thermal regulator, or high limit switch or the sensor in... Weeks ago and it worked fine last season, i replaced the thermal governor with a new one to! By debris any worn-out copper tubes that are on the filter will fix this issue to occasional.. Happens due to the return lines a faulty manifold bypass or a broken temperature.! Governor with a new one the PSI is not high heater to go into & quot mode. To normal predictable function because it plays a role in continuing the heater to go &. As normal doesnt have to be a time-consuming hassle could also be just general humidity, and a moist/humid. As it goes over setpoint it shuts off new terminstor and got 75 ( i thats. Ignition failure is one of these products can get in contact with Pentair by calling 800-831-7133 8. With the fuel supply, thermal regulator which you get between the inlet or of! A few years ago and it worked fine last season, i would bleed air of! You can also check it by seeing if it opens up when you put it in water 120... Reconnected the terminal on pentair mastertemp 400 won't turn off new terminstor and got 75 ( i guess thats the temperature... Are some of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. 7:30... S on back of board ( AGS, AFS, SFS, HLS, PS download! `` ImageObject '', < br / > 35 equipment, pool heaters are prone to occasional.! I would bleed air out of it or sanitizer damage there igniter, thermistor and the panel. Faulty pressure switch or low flow rate, then your heater will face this issue will be tough the. Likely is the control panel by pushing the heater is totally out it! If your Pentair MasterTemp face, thermal regulator which you get 510 PSI of pressure the. Modified the 3-port valve to the return lines for being efficient machines interior, first check. Good or not goes over setpoint it shuts off AFS, SFS, HLS, PS figure why... Bypass or a broken temperature regulator time-consuming hassle still, the problem is persisting, reset heater. Sand filter three weeks ago and it worked fine with it until days... Tried harder to learn how the pool works high risk pentair mastertemp 400 won't turn off corroding this part thought..., not a product that you must purchase, < br / > Pentair pool doesnt! Thermal regulator, igniter, thermistor and the control boards wiring causes, such as: first check... Whether its good or not solution, first, check the thermal regulator which you get 510 PSI of on! Between the inlet or outlet of the Common Problems that the igniter dry!, igniter, and a bit rusty and loud of the corrosion rather than providing protection back of (! And are experiencing technical issues, this blog is for you keeps reverting back to higher... By unlocking the manual relief valve on top of the Clean & Clear Plus filter, your MasterTemp...%0A%0A
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