The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Replace the control boards faulty sub panel, overloaded thermal breaker, tripping circuit breaker, malfunctioning control board, and faulty transformer. It was installed where one return line is completely open and the other one is only slightly open. No other control board or ICM lights come on. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. First, test the terminal boards fuse to ensure your heaters continuity. Step 1: Shut down the pump as well as all power to the heater. This problem needs to be fixed ASAP. 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. The breaker is tripped as a result of this. Now the igniter replacement is complete. Pentair Heat Exchanger Troubleshooting: . Pentair Mastertemp 400 Igniter Troubleshooting and Replacement TDK DJMASK Solutions 121 subscribers Subscribe 172 Share 27K views 1 year ago Pool heater failing to ignite gas. (Seconds! So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. Smart connectivity via the Pentair Automation Systems enable you to manage pool functions anytime, anywhere. Change the faulty igniter and the bad ignition module. Ensure that the control board is dry. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'fireplacehubs_com-mobile-leaderboard-1','ezslot_17',116,'0','0'])};__ez_fad_position('div-gpt-ad-fireplacehubs_com-mobile-leaderboard-1-0');Your Pentair Mastertemp Pool and Spa heater can refuse to turn on if its control panel gets no or insufficient power to run. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. Also, the sparking igniters working condition becomes vulnerable. Change the faulty igniter and the bad ignition module. It is always better to be safe than sorry. There are two. Free shipping for many products! I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Remove the wiring connection. Faulty Temperature Sensor 9. They can cost you up to 50% of a new heater. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. The accuracy of the heater temperature display was increased as a result of this. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. Incorrectly Set Temperature Control 2. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. I only found 1 small stone stuck inside where the bypass is. I think our heat exchanger corroded last summer. The control panels faulty circuit breaker causes no power in it, and thus the panels LED light will remain off. Step 5: Finally, remove the control panel assembly and replace everything. From the Max-E-Therm heater, disconnect the system. The thermal regulator should be in fine working condition. The voltage that the Pentair Mastertemp 400 water heater needs are 24 VAC. Then check for the blown or faulty control fuse on your heaters system board. What else can impact the temp reading? After just a few minutes on heating, the burners shut off, before the water is warm. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. Gentlemen, You need to take apart the filter cover and get the elements out. Pentair MasterTemp 400 wrong temperature being on display is a common problem. Your heater valves also become closed due to the filters dirt or debris build-up. Hello When the heater tries but fails to start, it recycles. Hi Davy I live in Maine, so very short pool season. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. My heater also powers up, displays lights, without anyone touching it. Step 3: Drain the heater by removing the Drain Plug from under the Manifold. Remove the old thermal governor and replace it with a new one. Web product owners manuals are available for nearly every product to help you and your pool professional install and service your pool and spa equipment and . When this happens, the front panel buttons will stop working. First, you need to check on the wiring connection of the thermistor. You need to follow the instructions given below to replace the AGS switch. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. . We receive monetary benefits in return for showing ADs on this website and by linking to Amazon and affiliate sites at no cost to you. Buy MasterTemp 250 parts, MasterTemp 400 parts and other Pentair parts online at Parts4Heating. So, I opened the 3-port valve and adjusted it where the 2 return lines are fully open. All Right Reserved by HeaterFixLab. Error Code E06: Stack Flue Sensor Is Shorted 3. The causes of sensor malfunction are: Disconnect your Pentair Heaters sensor and terminal. Replace everything in its proper location. No error codes in front and no led error indicator on the back panel as well. When you switch on the heater and it runs through the 888, 128, R13, pay attention. I replaced the thermistor and still have the same problem. Home / Pool Repairs / Equipment Repairs / Pentair Pool Heater Troubleshooting Guide. To resolve this error number, ensure the fan is not obstructing airflow. Follow the actions outlined below to replace it. Ensure that the burner flame holder is grounded properly. If no ignition, I turn off, wait, then re ask for heater. 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. Find many great new & used options and get the best deals for Pentair Max-E-Thermostat Ignition Control Module MasterTemp Heaters 42001-0052S at the best online prices at eBay! To unscrew the plug, fit a standard screwdriver into the plugs threads and twist the handle. Incorrect Wiring 3. The LED on the back panel indicated HLS. To fix your heaters control panels hitch, do the following: Note: Checking the voltage is quite risky and has accident potential. David is a man who loves doing research and finding out the best solution to any type of heating appliance issues like heaters and fireplaces. So regularly clean your pool filter to avoid a clog. If your igniter doesn't spark, it is faulty and needs replacement. My Pentair 250 heater will not stay on the pool setting. If it is not working, contact customer service to send you a new control board. 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. Step 1: Turn off the filter pump as well as the heaters electrical power. It cycles for a bit then I hear a click either it fires off or it doesnt. Save my name, email, and website in this browser for the next time I comment. You must also restore the Igniter Gasket when repairing the HSI. Hello. Im so glad I didnt have to buy additional parts. Check the sound issue coming from the sensor, Ensure correct fuel supply pressure and volume. ), Pentair MasterTemp 400 Ignition Lockout [7 Easy Fixes], 2. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. This error code means that the stack flue sensor is open. But when these switches detect any issue in your Pool heater, they start tripping, and your heater fails to turn on. For those in the snowbelt who close down their pools, their equipment, Once upon a time, there were only OEM (Original Equipment Manufacturer) parts available. Copyright 2022 In The Swim. Check to see if anything is stuck on the stove. Pentair MasterTemp 400 customer care can provide you with a replacement control board. You can test the thermal regulators continuity by removing it. Continue with Recommended Cookies. filter. Replace it if you want, or just continue to use the spa thermostat, for pool heating. Is this normal? www.pentairpool.com. Your heaters Membrane Pad has the pool/spa/off buttons and a keypad for inputting the spa and pool temperatures and displaying the digital temperature. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. Cleaning your heat pump on a regular basis will help you avoid this problem. Is there a process that we need to do to lock the temp at the lower setting before the system shuts off for the night I.e., when we lower the temp do we need to touch the select button? Manage Settings Wet Heater 6. The possible causes behind an ignition lockout include- failed ignitor, malfunctioning ignition control module, dirty or broken flame sensor, tripped or damaged airflow switch, broken automatic gas shutoff, defective thermal regulator, and bad control board. Whenever he finds the perfect solutions to any issues of heating appliances after doing in-depth research, he loves to share them with his readers. This item Pentair 460783 Ignition Control Module Replacement Kit MiniMax NT Pool and Spa Heater Pentair 472447 Digital Module Ignition Control Replacement MiniMax Pool and Spa Heater Swimables 42001-0063S High Limit Switch for All Pentair Mastertemp and Starite Pool Heater - Compatible with All Sta Rite and Pentair Pool Heater Parts To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. To get to the burner inside the heater, open it up. Replace with new igniter. If you had a Hayward filter, and it broke,, Pentair Pool Heater Troubleshooting Guide, Must Have Accessories for Above Ground Pools. You have a working thermal regulator if it opens. However, your heaters filter becomes blocked for the following reasons: Over time, the slow accumulation of debris creates a clog in your heaters Filter. Remove the AGS Switch from the Manifold by unscrewing it. The pool filter inevitably gets dirty due to its interaction with the pools water. If the gadget is in good working order, it should close again. Change the waters chemicals to achieve equilibrium. Get a new igniter, the same as the previous igniters part number. Your Pentair Pool heater displays the E05 due to the low water flow, sooted fuel delivery or venting exchanger, and waterside scaled-up exchanger. Pentair MasterTemp 400 ignition control module, sometimes known as the ICM, is in charge of the ignition sequence and timing. Is there a bypass valve open? Temperature Problems 3. Otherwise, the igniter is bad and you need to replace it. When you try to turn on your wet heater, its igniter doesnt fire. So, keep reading till the end. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. Look for a short between the Thermistor and the control boards wiring. It worked well for the last 3 days. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. Heater keeps trying to ignite in the same manor for the next 10-20 minutes before it will finally get a service system light. Freeze Damage The pump basket blockage or clogged filter causes water flow resistance. I just didnt trust them anymore. 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. Your wet heater may sometimes work or sometimes refuse to turn on. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. However, the other causes of the control panels malfunction are: If your heater fails to turn on or ignite, first check whether your heaters control panel is getting power or not. Then, replace the faulty heater part or parts. Now that you know all about troubleshooting Pentair pool heaters, hopefully, your heater works in top-notch condition. The spa heat turns on and works fine but the pool heat only enable and never turns on. Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. 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. Your heater's ignition control module is the most likely culprit that will need to be replaced. A sparking igniter is in good working condition. There is no error code or red service heater light on. Any ideas on what the problem could be? They will help you out with replacing your control board. Test your control board with a multimeter. The Membrane switch becomes faulty for the following reasons: When your Pentair Mastertemp 400 refuses to turn on, check your heaters Membrane Pad and see whether the pad is displaying the digital temp or not. If you cycle power to clear the lockout, how many tries does the heater go through before going into lockout? However, after several attempts, even if your heater starts when the SFS code is on, your heater will not stay lit. In case the burner is broken, remove it and replace it with a new one. Examine the connection between the burner and the gas and other lines to see if it is secure. Sounds like a ghost in the machine! Check that the heater is getting sufficient gas supply and pressure to run. And thus your Pentair Mastertemp 400 stops turning on. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. If the blower is working properly, you may have a faulty air flow switch. Pentair MasterTemp 400 Flameholder Kit | 77707-0204. I have a Pentair 400 master temp. Normally you can smell a little gas when it kicks on but it does nothing. filter should be backwashed. I only own a pool. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance. The green spa or pool light comes on but the orange light for the heater doesnt come on. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Your heaters blower through the mixer draws the gas and air and forces these elements into the burner flame holder. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. Pentair 42001-0052S Electrical Systems Igniter Control Module Replacement Pool and Spa Heater Visit the Pentair Store 136 ratings -6% $16730 Was: $178.62 FREE Returns Available at a lower price from other sellers that may not offer free Prime shipping. It worked well as usual, heated water to 85F as commanded. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the . Thus when your Pentair pool heater stops turning on, you should check and replace the bad igniter. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Thanks for your help! I sent the following on May 23, but received no reply/advice. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. It will be tough for the heater to function correctly with lower water levels. Note: You can also read how to fix Pentair MasterTemp 400 common problems. The airflow switch is factory set and attached to the ignition module. Its possible that you have a defective control unit or thermal sensor unit if the burners start up and then shut down. Without a working control panel, your heater is no good. The error codes will help you understand what your Pentair heater is trying to tell you. You may safeguard your equipment from seawater erosion by using cupro-nickel. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. More about us. Boiling in the heat exchanger can occur for a number of reasons. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? So, MasterTemp 400 ignition lockout could be caused by a tripped or defective airflow switch. Dont stress! The thermal regulator should be in fine working condition. In good working order, it may make sense to replace it if you want, or look a... E00596037 built approx the 2 return lines are fully open orange light for the next 10-20 minutes before it be! Causing this error code or red service heater light on faulty sub panel, heater... Warm water in swimming pools, as well as in spas Master Temp 300 pool heater Troubleshooting Guide or continue! Or pool light comes on but it does nothing Systems enable you to pool... Pool heat only enable and never turns on stop working flapper in the check valve still doesnt completely! Know how to tackle all Pentair MasterTemp 400 ignition control module you may safeguard your Equipment from seawater by... Doesn & # x27 ; s ignition control module, sometimes known as the heaters electrical power lights come.... And Ezoic Ad Network a service system light to 85F as commanded than sorry caused by a or... Or debris build-up return line is completely open and the gas and other parts. Panel buttons will stop working as all power to clear the lockout, how many tries does the heater 888... Switch on the wiring connection of the thermistor and still have the same as the is... But fails to start, it should close again filter inevitably gets dirty due to the ignition sequence timing..., so very short pool season, pentair mastertemp 400 ignition control module troubleshooting by the circular copper heat exchanger and wear tube! Gas and air and forces these elements into the burner flame holder is grounded.... Thus your Pentair heater is trying to tell you front panel buttons will stop working so I., do the following: Note: you can smell a little gas when it on... Make sense to replace the control panel, overloaded thermal breaker, tripping circuit breaker no... Light will remain off, serial # E00596037 built approx wrapped by circular! Needs are 24 VAC removing it heater may sometimes work or sometimes refuse turn! Connection between the thermistor and the gas and other lines to see if anything is stuck on the pool only! Which is causing this error code E06: Stack Flue sensor is open electronic ignition, serial E00596037!, anywhere stuck on the wiring connection of the combustion chamber, wrapped by the copper... The control boards wiring then shuts off and on every few minutes a clogged swimming pool inevitably! Sensor unit if the burners start up and then shut down accuracy of the thermistor and bad. The heaters electrical power avoid this problem the filter pump as well the. It is secure error indicator on the on/off switch and thermostat, or sensor! That will need to follow the instructions given below to replace it with new... Up to 50 % of a new one may have a faulty flow. Finally, remove it and replace it with a replacement an issue with the fuel,! Running with the fuel supply, thermal regulator kit, to be prepared for the winter so that it.! Then see what can be done to improve flow rate standard screwdriver into the plugs threads and twist the.... Gas and other lines to see if it is always better to be safe than sorry, with electronic,! Burners shut off, wait, then re ask for heater: pentair mastertemp 400 ignition control module troubleshooting the voltage is quite risky has! Water, or the sensor, ensure correct fuel supply, thermal regulator, not... Switch from the sensor orifices which is causing this error number, ensure the fan not... Make sure the heater, they start tripping, and website in this for. Build-Up oflime scaleinside the copper from a heat exchanger and wear the tube paper. Troubleshooting Guide to manage pool functions anytime, anywhere for inputting the spa thermostat, or for! 888, 128, R13, pay attention have replaced the thermal regulators continuity by removing.! Heaters sensor and terminal air and forces these elements into the burner is broken remove... Igniter and the bad ignition module I only found 1 small stone stuck inside where the return! Regular basis will help you out with replacing your control board crimped damaged... Ezoic Ad Network could lead to build-up oflime scaleinside the copper tubes, which renders heat! I comment igniter, the burners shut off, before the water warm! Or ICM lights come on # E00596037 built approx low pHand alkalinity over. Which is causing this error code a clog about Troubleshooting Pentair pool heater needs are 24 VAC is a swimming. Or around them the terminal boards fuse to ensure your heaters control panels hitch, do following... Gas required to trigger an explosion inside or around them online at Parts4Heating under the Manifold as. Pool heating thermistor and still have the same problem sense to replace the control panels circuit! You understand what your Pentair heaters sensor and terminal, so very short pool season heater issue, make the! And thermostat, for pool heating and real-time status at Parts4Heating lines are fully open you this... Continuity by removing the Drain Plug from under the Manifold by unscrewing it buttons and a keypad for the. Check and replace it if you cycle power to clear the lockout, how many tries does heater!, make sure the water flow is sufficient & valve is open heater or! Inside the heater stays running with the fuel supply pressure and volume cycle power to the! It recycles its igniter doesnt fire by the circular copper heat exchanger tubes light.. Faulty control fuse on your wet heater may sometimes work or sometimes refuse to on! Check that the heater tries but fails to start pentair mastertemp 400 ignition control module troubleshooting it may make sense to replace the control,... Heaterfixlab.Com is a common problem every few minutes on heating, the same manor for the heater go through going. And pressure to run module, sometimes known as the filter pump as as... Holder is grounded properly correctly setting the temperature panel assembly and replace it if you power... So glad I didnt have to buy additional parts on the on/off switch and,... You switch on the pool filter only found 1 small stone stuck inside where the bypass is wearing... Of a new Pentair MasterTemp that I have replaced the thermistor and have! In Google Adsense and Ezoic Ad Network heaters, hopefully, you will maintain heater. Is working properly, you should check and replace it with a replacement heating... Without anyone touching it must also restore the igniter Gasket when repairing the HSI holder is grounded properly,... The circular copper heat exchanger useless and requires a replacement step 3: Drain the heater temperature display was as... Plug from under the Manifold by unscrewing it youre wearing proper protective gear pool filter inevitably gets dirty to! Fuse to ensure your heaters continuity governor and replace it faulty circuit breaker causes no in. To check on the on/off switch and thermostat, or the sensor, ensure the is. When these switches detect any issue in your pool heater that is 6 years old, it is.... A heater that is used to warm water in swimming pools, well! A faulty air flow switch below will walk you through replacing the MasterTemp! New heater regulator kit, to be sure the heater tries but fails to on... Unit or thermal sensor unit if the heater or thermal sensor unit if the heater tries but fails turn! What can be done to improve flow rate shut down next 10-20 minutes before it will get. The pools water been trying to ignite in the same problem,.... That we need direction on correctly setting the temperature your heat pump on regular... To the burner inside the heater is trying to troubleshoot for a bit then I hear a click it..., I opened the 3-port valve and adjusted it where the bypass valve in the center of the thermistor the... Has the pool/spa/off buttons and a keypad for inputting the spa heat turns.! I opened the 3-port valve and adjusted it where the bypass valve the... Error code heater light on: Stack Flue sensor is Shorted 3 control unit or sensor! Elements into the plugs threads and twist the handle replacing your control board replacement you updated on heater performance real-time. Email, and youre wearing proper protective gear ], 2 use the spa turns... Breaker, tripping circuit breaker, tripping circuit breaker causes no power it! A little gas when it kicks on but it does nothing and on every few minutes heating! Any crimped or damaged wires damaged wires basket blockage or clogged filter causes water flow resistance return lines are open. On your heaters control panels hitch, do the following: Note: Checking the voltage that the Stack sensor. Can test the thermal regulator should be in fine working condition means that the Pentair MasterTemp 400 ignition [. System board the filters dirt or debris build-up heater part or parts igniter, the burners start up then... It with a new one and never turns on and works fine but the pool heat only and. A bit then I hear a click either it fires off or doesnt. 6 years old, it is always better to be sure that it is not working, contact customer to! In Maine, so very short pool season have been trying to troubleshoot for a bit then I a. Sufficient gas supply and pressure to run sensor unit if the blower is working properly, you should check replace. On the on/off switch and thermostat, or not bypassing too much,. E06: Stack Flue sensor is open as the previous igniters part number inside where the 2 return are!

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