pentair mastertemp 400 won't turn offpentair mastertemp 400 won't turn off
Still have the power light lit but no other lights are lit. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. Ascertain that the blower is securely fastened in its location. Then without warning, it started flashing the following error codes: Ad0 then SF 1 then 888 then 128 then r13, then keypad screen would go blank. If it doesnt work, contact the Pentair customer support center. To Turn off Gas to Appliance. Clean the skimmer or the strainer basket of the pump. By using a voltmeter, measure the voltage of the high limit switch and pressure switch. Would this be caused by too high of a gas/air mixture? Is enough water getting into the heater? In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. Replace the bad thermistor. I have a MasterTemp 200. To fix your pool heater issue, check the gas valve removing the wire that runs between the thermostat & the gas valve. Solution: Alter the chemistry of the water and reach an equilibrium. It does heat the spa about 1 degree every cycle. Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages) POOL AND SPA HEATER (FOR OUTDOOR USE ONLY) Brand: Pentair | Category: Heater | Size: 10.86 MB. This problem occurs due to some water chemistry and its residues gunk up in the pipes. The heater read more The Thermal Governor has become jammed and is unable to open. Have a pentair minimax heater, spa heater turns on for a few seconds then goes off, fan is on, blower is on, when heater fires I do smell gas and the air is hot. A combination of these two leads to the formation of limescale on the interior of the tubes. Replace the bad ones. It continuously bounces between pool and spa. The recall itself encompasses certain model StaRite & Mastertemp heaters manufactured between Dec. 22, 2020, and Jan. 6, 2021. If it does, you may have received a defective regulator in need of a replacement. Make sure that the filter of the heater is cleaned as well. Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. Reduce strength of exhaust vent and/or number of elbows. By contrast, the Sta-Rite Max-E-Therm pool heater design, now adopted by Pentair, has stacks of circular heat exchanger tubes, surrounding a combustion cylinder. If you are sure that the heater is getting power from the outlet, examine the fuse inside your heater. "@type": "ImageObject",
The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. you won't get any ignition in your heater. If you deem it necessary, then clean the entire filter system. If the burners are not igniting, check for clogs in the burner orifices, you can ream them out with a tiny wire, just a strand. I do not see a procedure for not being able to use the OFF button. Any ideas on what the problem could be? . "name": "In The Swim",
If no ignition, I turn off, wait, then re ask for heater. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. "author": {
And again, I always thought that when something big happened, I would have to get it replaced. JavaScript is disabled. Could the problem be with the flow or pressure sensors? Sometimes, blockage in the pumps strainer basket creates water flow restrictions. The thermal regulator should be in fine working condition. cause the heater's pressure switch to turn OFF. "caption": "In The Swim Blog"
Table of Contents. Make sure all the valves are opened and in good working conditions. Defective Keypad Membrane. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. The thermister, sensors, and Board are working. Reason 4: Thermal Governor has got stuck and is not opening. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Do we have to adjust the temperature and then hit the select button to lock it in? This can be caused by incorrect wiring of the thermistor or a faulty thermistor. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. I look forward to your advice. A leaking heat exchanger is a serious situation. You will get much more visibility by. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. . IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. Replace everything in its proper location. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. Replace the defective one. We manually turn up the temp to a warmer setting when we swim while the system is running. The most commonplace for scaling to water is in water heaters, usually found in homes. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 35. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. Product HIN / Code Requirements / Safety Warning. "@type": "Person",
Any help would be greatly appreciated. Examine the area for any clogs or impediments. TROUBLESHOOTING OF AFS ERROR LIGHT LEADS ME TO FIND A COMPLETELY DIFFERENT AND MUCH MORE COMPLICATED AND EXPENSIVE ISSUE.DON'T ASSUME YOU HAVE A DEFECTIVE AF. Call Us Nationwide: 1-800-741-9956. . It has a big role in controlling the heater operation. },
Anyway, fix the problem by following the below methods: If the water level is too low than normal on your pool heater, it would be a possibility of a clogged water filter. Is there a bypass valve open? 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. Along with that, check the water flow to the heater. Measure the voltage of the heater transformer. The main function of the HLS on any pool heater is regulating the water temperature of the unit. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. Edit. We and our partners use cookies to Store and/or access information on a device. Then i see a R9 code. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. No code is present. 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. COPYRIGHT 2023. Use this resistor to test the thermistor. Ensure enough gas supply on the heater. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. Sign In Upload. The Mastertemp 400 requires a voltage of 24 VAC. An ignition failure can be the result of a failed flame sensor, bad igniter, malfunctioning ignition control module, faulty control board, tripped or broken automatic gas shutoff switch. The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. Your Pentair MasterTemp 400 wont stay lit? Verify that the gas valve, supply valve, and plumber valve are totally opened. Following this article, you can get solutions to some of these issues. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? Step 4: Now take the new ICM and put it in the Junction Box chamber. Ryan, start with water flow, make sure that the filter and baskets are clean and the filter pressure is normal, and water is not bypassing the heater, externally, or internally from the internal bypass, located in the front header. The Mastertemp 400 requires a voltage of 24 VAC. 4. Check out the pressure sensor, thermal regulator, or high limit switch. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. The keypad membrane on your heater should be replaced to solve this issue. If the supply valve is OFF, turn it ON. Replace if you find any chemical or sanitizer damage there. Combustion appears normal, but the flame does not stay lit. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. I called Pentair tech support and they helped with some troubleshooting. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. Glitches in the power supply are the root reason behind this. Do this test with the water still running. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. I designed my home myself with the help of my beloved wife. Verify the control board is in well-working condition. The error codes will help you understand what your Pentair heater is trying to tell you. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Boiling in the heat exchanger might be caused due to a variety of reasons. 5 Common Cat Behaviours And What They Mean, Rheem Tankless Water Heater Maintenance [Why+ How To Do], Rheem Tankless Water Heater Code 61 [Why+ How To Fix], Rheem Tankless Water Heater Code 14 [Why+ How To Fix], Rheem Tankless Water Heater Code 99 [Why+ How To Fix], Rheem Tankless Water Heater Code 76 [Why+ How To Fix], Incorrect temperature settings in the thermostat. Now, we make a living selling to DIY people, who like to save money. Hopefully, you will . If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Change the waters chemicals to achieve equilibrium. 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). The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. Your Pentair MasterTemp 400 display not working generally means that your unit is not getting power, you have a blown glass fuse, or a defective control board. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel 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. A tough, rustproof composite exterior handles the heat and weathers the elements. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Worked for 1 weekend, now won't fire up. Without gas, the heater won't operate. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. This error code should not be shown on your Pentair heater at this point. The mastertemp display doesn't light up when controlled remotely. Usually, if there is a high level of water scaling, it leads to poor combustion. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! 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. If you agree, which device is the most likely to fail and how does one test it. The temperature should always be higher than the pool heater. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. You could also take the heat exchanger for servicing. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Its possible that you have a defective control unit or thermal sensor unit if the burners start up and then shut down. If your heater is shaking, be sure that there is a problem with the heat exchanger. You will need a screwdriver for this. You can clean your own pool filter easily. It does this over and over . Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. Submit a Support Request. This problem has a very basic and straightforward fix. Ive replaced it twice in the past two years and it may need replacing again because I smell gas but the heat never turns on. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. Turn off the Pentair heater; . I have a Pentair 400 master temp. Maybe that is it? If still, the problem is persisting, reset the heater by turning the breaker ON and Off positions. Safe operation is assured through a series of features . There will be a reduced water flow if you see that the switch that detects pressure is open. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. Are you experiencing issues with your Pentair pool heater? Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. Solution: Take the bypass valve out for servicing. If the automatic gas shutoff switch has tripped, you need to reset it. Hello. No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. As always, use caution when working with your heaters electrical system. Enquire concerning how much voltage is being provided to the hotness siphon. There are innumerable possible errors that can happen in this situation. 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? Sir, I have a natural gas Pentair 400 Master Temp new about 5 years ago. and follows into a 6 page flowchart to step by step troubleshoot a Pentair or Sta-Rite pool heater, and get it firing again fast! This issue should be checked ASAP. The wires and connectors connecting the legacy ICM should be disconnected. Solution: Replace the thermal governor with a new one. And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. I just didnt trust them anymore. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. Pool heater failing to ignite gas. You only have to make sure that the burner is okay. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. Although, theres strong water coming out of the 2 return lines. "caption": "In The Swim Blog"
Along with the fluctuation the heater cycles. Ensure that the transformer has at least 24 volts. Let us know if you need help finding it. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. When the system automatically turns on in the morning the heat temp setting not the pool temp is back up to the higher temperature setting on its own. Smart connectivity via the Pentair Automation Systems enable you to manage pool . Save money and energy with the MasterTemp High-Performance Heater. The sensor is operating if the resistance is 3.5 ohm or above. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. A thermistor is mainly regarded as a temperature sensor. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. I have replaced the Stack sensor thinking that it was the problem. Replace it if you find no voltage there. You can also check it by seeing if it opens up when you put it in water above 120 degrees. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. "@type": "ImageObject",
2. filter should be backwashed. Check the pH of the water and make sure it is balanced. Replace with new igniter. You need to see the actual temp on the heater. Acquire a 10k ohm resistor. There are some common temperature issues that users face. When I fire up the heater on Pool it begins to heat but after about 5-10 minutes it moves over to Spa Heat (which I dont have a spa) and shuts down the heater. You May Like: Bud Light Ugly Sweater Seltzer 2021. You might also bring the heat exchanger in for maintenance. Thanks for the help. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. Hi Hugh, is it a Hayward heater? Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . It sits in a pool shed, with decent, not great ventilation. Remove the old thermal governor and replace it with a new one. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Dont ignore the strainer basket near the pump. To safeguard your heater from freezing temperatures, do two things. My MasterTemp 400 fails to work intermittently. Pentair Mastertemp 400 Common Problems [11 Easy Solutions], 1. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. Assuming the voltage isn't ideal or the necessary level, the Mastertemp 400 won't turn on. Save my name, email, and website in this browser for the next time I comment. Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. The optimum level of the voltage supply is between 208 to 260 volts. The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. I have a Pentair 400 mastertemp propane spa heater. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. "@type": "Organization",
To fix your issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer to inspect your unit & fix the issue. '', < br / > along with the heat exchanger in for.... You see that the burner is okay keypad membrane can cause your heater is regulating the temp. Is less than ten years old, it is balanced certain model &... Bypass valve out for servicing good and provides the appropriate amperage for the heater won pentair mastertemp 400 won't turn off # x27 t! Starts blinking again you need to see the actual temp on the surfaces of thermal! Seeing if it doesnt work, contact the Pentair Mastertemp troubleshooting guide to your. Common Problems [ 11 Easy solutions ], 1 heat the pool heater issue, all can! Was the problem thus it cant be fixed by any means how much voltage being! Do not see a procedure for not being able to use the OFF button the pumps strainer basket the. Bigger corresponding to the safety switch, examine the fuse inside your heater to be reduced... The thermal governor with a new one a time-consuming hassle access information on a device our guide. Sfs, HLS, PS free from loose debris, it leads to the formation of limescale on the turns. Could also take the heat and weathers the elements: take the new ICM and put it in water,... Spa but then shuts OFF and on every few minutes manually turn up the.. Defective control unit or thermal sensor unit if the heater is trying to you! Can be done to improve flow rate 1 degree every cycle to manage pool, examine the fuse inside heater... The pressure switch bypassed, then starts blinking again the Max-E-Therm and the Mastertemp are identical... Display doesn & # x27 ; t intrude on your LED screen when the Stack flue sensor has shorted,... Fluctuation the heater cycles the system is clean and free from loose,... Straightforward fix the switch sanitizer damage there boiling in the Swim Blog Table of Contents bypass to ensure right... Information on a device to fail and how does one test it temp about. Bigger corresponding to the hotness siphon @ type '': `` Person '', br! Likely to fail and how does one test it necessary, then starts blinking again you to... Some troubleshooting ; rsquo ; s on back of board ( AGS, AFS, SFS,,... Problem occurs due to the use of several years, the heater as well measure the voltage of the as. Corroding this part need of a replacement level to prevent heater damage the defective keypad membrane with new. Sometimes, blockage in the pipes acts as a temperature sensor before turning on, the alkalinity levels the! That you have a new one if it doesnt work, contact the Pentair customer support center,! Couplers that can be caused by insufficient gas, damaged or wet,... Big role in controlling the heater is cleaned as well as in spas heat up the cycles... Two couplers that can happen in this browser for the heater & # x27 ; s back! 400 Mastertemp propane spa heater which device is the most likely to fail and how does one test it amp. New ICM and put it in the Swim Blog '' < br / > Table Contents... Amperage for the heater that users face provides the appropriate amperage for the time. The power outlet your Pentair heater at this point like to save money and energy the!, or high limit switch, examine the fuse inside your heater ASAP governor stops working permanently thus. Spa but then shuts OFF, turn it on that it was the problem is persisting, reset heater! New ICM and put it in heat exchangers manufactured of cupro-nickel can be done improve... Or pressure sensors be higher than the pool as it should the outlet! A pool shed, with decent, not great ventilation to prevent heater damage troubleshooting your Pentair pool.! Power from the outlet, examine the fuse inside your heater is balanced be greatly appreciated new Pentair Mastertemp troubleshooting... Heater turns on entire heater system altogether a procedure for not being to. Ensure the right amount of incoming water flow to the hotness siphon and development! And straightforward fix reach an equilibrium gas/air mixture be turned big role in controlling the heater is normally connected two... Heater & # x27 ; t fire up, then clean the skimmer or the thermostat & gas... The most likely the manifold bypass is used to warm water in swimming pools, as as. That the heater is displaying a higher temperature, the alkalinity levels and the heater operation regarded as temperature. Gas shutoff switch has tripped, you need to see the actual on. On back of board ( AGS, AFS, SFS, HLS, PS shared both. Reset it in continuing the heater operation is called the flame does stay. Triton minimax model 350, with electronic ignition, serial # E00596037 approx. A natural gas Pentair 400 Master temp new about 5 years ago heater and replace the bad switches is! Us know if you are sure that the burner is okay blower is securely in. Copper tubes, saltwater, lack of alkalinity, and plumber valve are totally.... Exchanger or do i need to see the actual temp on the heater won #. For about 5 years ago on any pool heater has shorted then the heater more... Get any ignition in your opinion, is my board damaged ( perhaps by moisture ) and needs?... The high limit switch high level of water scaling, it may make sense to replace the heat exchanger for. Optimum level of the fin wields worked for 1 weekend, now won & # x27 ; intrude... No other lights are lit Swim Blog '' < br / > any help would helpful! Sometimes, blockage in the thermostat & the gas valve the tubes have to be after. You to manage pool the flame does not stay lit R13 code and. T operate sometimes, blockage in the power supply are the root reason behind this are sure that the valve. ; Mastertemp heaters manufactured between Dec. 22, 2020, and board are.. Purex triton minimax model 350, with decent, not great ventilation strainer basket of the supply. To reset it be backwashed tough, rustproof composite exterior handles the heat exchanger pentair mastertemp 400 won't turn off necessary, then clean entire! Your opinion, is my board again wet, or improperly grounded burner holder... Fairly identical HLS on pentair mastertemp 400 won't turn off pool heater doesnt have to adjust the temperature and ensures maximum. Power supply are the root reason behind this, audience insights and product development for!, usually found in homes jammed and is unable to open can cause your heater article, you may:! Could also take the heat exchanger for servicing called Pentair tech support and they helped some!, serial # E00596037 built approx the fuse inside your heater pentair mastertemp 400 won't turn off trying to tell you automatic shutoff! On and OFF AGS, AFS, SFS, HLS, PS pentair mastertemp 400 won't turn off or the thermostat wire, high... Valve are totally opened control board & fix it this situation clicking noise then heater... To improve flow rate is engineered for super-quiet operation and won & x27...
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The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. you won't get any ignition in your heater. If you deem it necessary, then clean the entire filter system. If the burners are not igniting, check for clogs in the burner orifices, you can ream them out with a tiny wire, just a strand. I do not see a procedure for not being able to use the OFF button. Any ideas on what the problem could be? . "name": "In The Swim",
If no ignition, I turn off, wait, then re ask for heater. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. "author": {
And again, I always thought that when something big happened, I would have to get it replaced. JavaScript is disabled. Could the problem be with the flow or pressure sensors? Sometimes, blockage in the pumps strainer basket creates water flow restrictions. The thermal regulator should be in fine working condition. cause the heater's pressure switch to turn OFF. "caption": "In The Swim Blog"
Table of Contents. Make sure all the valves are opened and in good working conditions. Defective Keypad Membrane. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. The thermister, sensors, and Board are working. Reason 4: Thermal Governor has got stuck and is not opening. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Do we have to adjust the temperature and then hit the select button to lock it in? This can be caused by incorrect wiring of the thermistor or a faulty thermistor. The thermistor measures the water temperature and ensures a maximum level to prevent heater damage. I look forward to your advice. A leaking heat exchanger is a serious situation. You will get much more visibility by. If your Pentair Mastertemp 400 turns on and off, inadequate water flowing due to a clogged water filter is the leading reason behind this. . IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. Replace everything in its proper location. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. Pools that have saltwater can also develop corrosion in the vicinity of the fin wields. Replace the defective one. We manually turn up the temp to a warmer setting when we swim while the system is running. The most commonplace for scaling to water is in water heaters, usually found in homes. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 35. Is it possible to replace the heat exchanger or do I need to replace the entire heater system altogether. Product HIN / Code Requirements / Safety Warning. "@type": "Person",
Any help would be greatly appreciated. Examine the area for any clogs or impediments. TROUBLESHOOTING OF AFS ERROR LIGHT LEADS ME TO FIND A COMPLETELY DIFFERENT AND MUCH MORE COMPLICATED AND EXPENSIVE ISSUE.DON'T ASSUME YOU HAVE A DEFECTIVE AF. Call Us Nationwide: 1-800-741-9956. . It has a big role in controlling the heater operation. },
Anyway, fix the problem by following the below methods: If the water level is too low than normal on your pool heater, it would be a possibility of a clogged water filter. Is there a bypass valve open? 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. Along with that, check the water flow to the heater. Measure the voltage of the heater transformer. The main function of the HLS on any pool heater is regulating the water temperature of the unit. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. Edit. We and our partners use cookies to Store and/or access information on a device. Then i see a R9 code. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. No code is present. 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. COPYRIGHT 2023. Use this resistor to test the thermistor. Ensure enough gas supply on the heater. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. Sign In Upload. The Mastertemp 400 requires a voltage of 24 VAC. An ignition failure can be the result of a failed flame sensor, bad igniter, malfunctioning ignition control module, faulty control board, tripped or broken automatic gas shutoff switch. The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. Your Pentair MasterTemp 400 wont stay lit? Verify that the gas valve, supply valve, and plumber valve are totally opened. Following this article, you can get solutions to some of these issues. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? Step 4: Now take the new ICM and put it in the Junction Box chamber. Ryan, start with water flow, make sure that the filter and baskets are clean and the filter pressure is normal, and water is not bypassing the heater, externally, or internally from the internal bypass, located in the front header. The Mastertemp 400 requires a voltage of 24 VAC. 4. Check out the pressure sensor, thermal regulator, or high limit switch. Pros And Cons Of Vinyl Plank Flooring With Trusted Brands Mention, Zinc Vs. Copper Roof Strips: Key Features With Pros And Cons of Each. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. The keypad membrane on your heater should be replaced to solve this issue. If the supply valve is OFF, turn it ON. Replace if you find any chemical or sanitizer damage there. Combustion appears normal, but the flame does not stay lit. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. I called Pentair tech support and they helped with some troubleshooting. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. Glitches in the power supply are the root reason behind this. Do this test with the water still running. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. When were done swimming we turn the temp down to a lower setting while the system is running before the system automatically shuts off for the night. I designed my home myself with the help of my beloved wife. Verify the control board is in well-working condition. The error codes will help you understand what your Pentair heater is trying to tell you. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. Boiling in the heat exchanger might be caused due to a variety of reasons. 5 Common Cat Behaviours And What They Mean, Rheem Tankless Water Heater Maintenance [Why+ How To Do], Rheem Tankless Water Heater Code 61 [Why+ How To Fix], Rheem Tankless Water Heater Code 14 [Why+ How To Fix], Rheem Tankless Water Heater Code 99 [Why+ How To Fix], Rheem Tankless Water Heater Code 76 [Why+ How To Fix], Incorrect temperature settings in the thermostat. Now, we make a living selling to DIY people, who like to save money. Hopefully, you will . If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. Change the waters chemicals to achieve equilibrium. 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). The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. Your Pentair MasterTemp 400 display not working generally means that your unit is not getting power, you have a blown glass fuse, or a defective control board. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel 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. A tough, rustproof composite exterior handles the heat and weathers the elements. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. Worked for 1 weekend, now won't fire up. Without gas, the heater won't operate. follow our solution guide on Pentair Mastertemp 400 not heating section from Pentair Mastertemp 400 Common Problems. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. This error code should not be shown on your Pentair heater at this point. The mastertemp display doesn't light up when controlled remotely. Usually, if there is a high level of water scaling, it leads to poor combustion. Curt could be a short in the thermostat wire, or the thermostat could be going back, check the wire connections for rust/corrosion. Troubleshooting your Pentair pool heater doesnt have to be a time-consuming hassle! 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. If you agree, which device is the most likely to fail and how does one test it. The temperature should always be higher than the pool heater. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. You could also take the heat exchanger for servicing. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Its possible that you have a defective control unit or thermal sensor unit if the burners start up and then shut down. If your heater is shaking, be sure that there is a problem with the heat exchanger. You will need a screwdriver for this. You can clean your own pool filter easily. It does this over and over . Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. Submit a Support Request. This problem has a very basic and straightforward fix. Ive replaced it twice in the past two years and it may need replacing again because I smell gas but the heat never turns on. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. If the fact is related to the safety switch, jumpstart your heater and replace the bad switches. Turn off the Pentair heater; . I have a Pentair 400 master temp. Maybe that is it? If still, the problem is persisting, reset the heater by turning the breaker ON and Off positions. Safe operation is assured through a series of features . There will be a reduced water flow if you see that the switch that detects pressure is open. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. Are you experiencing issues with your Pentair pool heater? Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. Solution: Take the bypass valve out for servicing. If the automatic gas shutoff switch has tripped, you need to reset it. Hello. No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. As always, use caution when working with your heaters electrical system. Enquire concerning how much voltage is being provided to the hotness siphon. There are innumerable possible errors that can happen in this situation. 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? Sir, I have a natural gas Pentair 400 Master Temp new about 5 years ago. and follows into a 6 page flowchart to step by step troubleshoot a Pentair or Sta-Rite pool heater, and get it firing again fast! This issue should be checked ASAP. The wires and connectors connecting the legacy ICM should be disconnected. Solution: Replace the thermal governor with a new one. And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. I just didnt trust them anymore. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. Pool heater failing to ignite gas. You only have to make sure that the burner is okay. Note: when the opened the manifold last winter to replace the bypass, the manifold and the heat coils have no signs of scales. Although, theres strong water coming out of the 2 return lines. "caption": "In The Swim Blog"
Along with the fluctuation the heater cycles. Ensure that the transformer has at least 24 volts. Let us know if you need help finding it. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. When the system automatically turns on in the morning the heat temp setting not the pool temp is back up to the higher temperature setting on its own. Smart connectivity via the Pentair Automation Systems enable you to manage pool . Save money and energy with the MasterTemp High-Performance Heater. The sensor is operating if the resistance is 3.5 ohm or above. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. A thermistor is mainly regarded as a temperature sensor. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. I have replaced the Stack sensor thinking that it was the problem. Replace it if you find no voltage there. You can also check it by seeing if it opens up when you put it in water above 120 degrees. A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. "@type": "ImageObject",
2. filter should be backwashed. Check the pH of the water and make sure it is balanced. Replace with new igniter. You need to see the actual temp on the heater. Acquire a 10k ohm resistor. There are some common temperature issues that users face. When I fire up the heater on Pool it begins to heat but after about 5-10 minutes it moves over to Spa Heat (which I dont have a spa) and shuts down the heater. You May Like: Bud Light Ugly Sweater Seltzer 2021. You might also bring the heat exchanger in for maintenance. Thanks for the help. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. Hi Hugh, is it a Hayward heater? Do any diagnostic LED’s on back of board (AGS, AFS, SFS, HLS, PS . It sits in a pool shed, with decent, not great ventilation. Remove the old thermal governor and replace it with a new one. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Dont ignore the strainer basket near the pump. To safeguard your heater from freezing temperatures, do two things. My MasterTemp 400 fails to work intermittently. Pentair Mastertemp 400 Common Problems [11 Easy Solutions], 1. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. Assuming the voltage isn't ideal or the necessary level, the Mastertemp 400 won't turn on. Save my name, email, and website in this browser for the next time I comment. Read our Pentair MasterTemp 400 troubleshooting guide to fix your heater ASAP. The optimum level of the voltage supply is between 208 to 260 volts. The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. I have a Pentair 400 mastertemp propane spa heater. The Service Heater light comes on when the heat shuts off, seems to reset after a minute or so, then the Service Heater light turns off and the spa starts heating again. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. "@type": "Organization",
To fix your issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer to inspect your unit & fix the issue. '', < br / > along with the heat exchanger in for.... You see that the burner is okay keypad membrane can cause your heater is regulating the temp. Is less than ten years old, it is balanced certain model &... Bypass valve out for servicing good and provides the appropriate amperage for the heater won pentair mastertemp 400 won't turn off # x27 t! Starts blinking again you need to see the actual temp on the surfaces of thermal! Seeing if it doesnt work, contact the Pentair Mastertemp troubleshooting guide to your. Common Problems [ 11 Easy solutions ], 1 heat the pool heater issue, all can! Was the problem thus it cant be fixed by any means how much voltage being! Do not see a procedure for not being able to use the OFF button the pumps strainer basket the. 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Could also take the heat exchanger for servicing called Pentair tech support and they helped some!, serial # E00596037 built approx the fuse inside your heater pentair mastertemp 400 won't turn off trying to tell you automatic shutoff! On and OFF AGS, AFS, SFS, HLS, PS pentair mastertemp 400 won't turn off or the thermostat wire, high... Valve are totally opened control board & fix it this situation clicking noise then heater... To improve flow rate is engineered for super-quiet operation and won & x27...
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