Ascertain that the blower is securely fastened in its location. I have a Master Temp 400 pool heater it does not turn on. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor . If it isnt, theres a problem with the module. We have a new Pentair Mastertemp 400. Defective Ignition Control Module 7. When it used to work I would hear a big kaboom sound and now nothing. Wash them out very carefully with a hose. All Right Reserved by FIREPLACEHUBS. And thus your Pentair Mastertemp 400 stops turning on. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. Maybe that is it? When the heater tries but fails to start, it recycles. When I hold it, the temp slowly went up to 90. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. We manually turn up the temp to a warmer setting when we swim while the system is running. Hi Hugh, is it a Hayward heater? Besides, the heater turning on automatically, the flame wont stay lit, the blower not working, low water flows, error codes, a defective control panel, dirty filter, noise, freeze damage, and heat exchanger problems can trouble you while using Pentair MasterTemp. 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. Rust or red spiders can clog these up. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Of course, there is also an internal bypass in most gas pool heaters. $354.18. If your control board is broken, you must replace it. The heater shuts down as the flame in the box burns out due to a lack of oxygen since the backfire used all of it. Then i see a R9 code. Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Natural Gas - 400000 BTU | 460736 Parts . I sent the following on May 23, but received no reply/advice. It can even be dangerous. This issue should be checked ASAP. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. Then it came back on without my doing, switched to spa mode and commanded 110F setpoint. Otherwise, your control board is most likely to be blamed. To Replace or Repair your pool filter - that is the first question. So, was going to need to be replaced at some point. It worked well as usual, heated water to 85F as commanded. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. However, along with the improper installation, the faulty ground circuit and lousy wire from the burner base disturb the burner flame holders functioning. Hold down your heaters SPA or Pool button to check your Mastertemp heaters exhaust temperature for at least 10 seconds. Troubleshooting Guides; Product Manuals; POPULAR . Clean up all the flue sensor orifices to ensure there is no grime on them. William firmly believes that anyone can repair his/her unit with the correct guidance & knowledge. Frank. Any ideas on what the problem could be? When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. . A defective AGS switch can cause ignition failure. 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! The 2nd is after modified the 3-port valve to the return lines. If the gadget is in good working order, it should close again. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. Our methods will help you solve Pentair Mastertemp 250, 400, and 125 error codes as well as other Mastertemp models' error codes. 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 you agree, which device is the most likely to fail and how does one test it. You must also restore the Igniter Gasket when repairing the HSI. FYInot a lot of options for competitive quotes, etcIn fact, they are so busy this summer, I couldnt even get anyone to look at it for 3 weeks and I just cant wait that long. Step 2: Remove the nuts that secure the Igniter Bracket. Look for a short between the Thermistor and the control boards wiring. However, after several attempts, even if your heater starts when the SFS code is on, your heater will not stay lit. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. Is there a bypass valve open? Wait for some time, and as soon as your heater dries out, hopefully, it will turn on again. Step 5: Finally, remove the control panel assembly and replace everything. There is no error code or red service heater light on. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. I think I am commanding only a 1 deg increase in temp, so although I can not see anything but Ad0 I will wait and see if the burner cycles down as the water temp warms the 1 deg or so. First, test the terminal boards fuse to ensure your heaters continuity. Step 1: Turn off the filter pump as well as the heaters electrical power. Tripping Safety Switches In case you have any queries regarding your Pentair MasterTemp 400, leave us a comment. You have a working thermal regulator if it opens. 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. Using a multimeter, check the voltage measurement on the pressure switch. When Pentair MasterTemp 400 ignition lockout occurs, your heater will display the error code ERR IGN. Incorrectly Set Temperature Control 2. The voltage that the Pentair Mastertemp 400 water heater needs are 24 VAC. Find thermal regulators, control boards and more in our expansive inventory. But, is there a way that I can validate that there is really an issue? It means your stack flue sensor has tripped. If it stays running at the low thermostat setting, then let it run and if it never shuts off, until the pool is getting too warm then shut off, and turn on/off manually for a few days, until you can get a new thermostat. Where is the thermal regulator on a Pentair Pool heater? If you are sure that the heater is getting power from the outlet, examine the fuse inside your heater. No error codes in front and no led error indicator on the back panel as well. Also check that the blower comes on. Verify pressure tap between gas valve and blower inlet. Clogged Pool Filter 8. The device should be out of ignition lockout at that point. 1st one is the initial issue. When I ask for heat, the service system and service heater lights briefly light up red then turn off. Change the faulty igniter and the bad ignition module. All you have to do now is double-check the burner. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Turn off your pool heaters gas and electricity supply. Step 3: Disconnect the heater's previous ICM unit. What else can impact the temp reading? The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. Reduce strength of exhaust vent and/or number of elbows. Also, at least once a year, you should disassemble and clean the D.E. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. Im not sure where to even begin. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. $294.34. Inspect the pump and filter and clean if necessary. Why does my Pentair heater keep turning off? It kept doing this several times and then sometimes the temp will start counting up rapidly and slowly counts down to the current temp and cycles again. Your heater light may be blinking because of a failed ICM. Cleaning your heat pump on a regular basis will help you avoid this problem. Error Code E05: Stack Flue Sensor Is Open 2. 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. Another typical cause of a Pentair heater ignition lockout is a faulty igniter. Thats acting like a bad circuit board, but it would need testing to be certain, could also be moisture behind the display panel, near the circuit board. Step 4: Insert the new ICM into the Junction Box chamber of the heater. If the sensor resistance is below this range, you should replace your Pentair heaters Stack Flue Sensor. Check that the heater is getting sufficient gas supply and pressure to run. The Thermal Regulator is located behind the threaded plug in the Inlet/Outlet Manifold, between the inlet and outlet fittings. Learn more, Facebook II Twitter II Pinterest II Linkedin. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. And the exchanger out of the flue discharges the exhaust gas. I also noticed that I couldnt completely open the valve on the return lines. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. We are always here to help you. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. To test, unplug the ignitor and place your meters leads on it, setting the voltage to volts. Same issue continues. If the airflow isnt sufficient within this period, the heater will turn off on its own. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. ), Pentair MasterTemp 400 Ignition Lockout [7 Easy Fixes], 2. COPYRIGHT 2023. The next day I powered pool-on and it registered the correct water temp. Hello. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. When replacing the ICM, connect the wires according to the installation manual. Check the wire going to the sensor and the sensor itself. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Step 2: If the heater is below the pools water level, close the isolation valves to prevent the pool from draining. Change the faulty igniter and the bad ignition module. Fill a jar halfway with 130F water. 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. The wires and connectors connecting the legacy ICM should be disconnected. The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. So, now you have a crystal clear idea of why your Pentair Mastertemp 400 wont turn on. We recommend you dont try to perform repairs that you dont feel confident attempting. Properly clean the sensor, heat exchanger, and coil. The wiring diagram is given below for your reference. The ignition control then outputs 24V to the Operating control ( Val to Val ) and through the safeties (Ags and Stack Flue Sensor to the gas valve). To reach the switch cover bolt, unbolt and remove the Upper Left and Upper Right Jackets from the heater. Its possible that overtightening the HSI base will cause it to break. Pentair/Purex PowerMax 150-400 ThermalFlo Heat Pump Replacement Parts Models 460912, 460913, 460914, 460915, 460922 Thermoflo Heat Pump Titanium Pure Heat Bath Heaters Pure Heat Bath Heater PH-100 Pure Heat Bath Heater PH-101 Pure Heat Bath Heater PH-301 Purex Pentair/Purex PowerMax 150-400 Purex Tropic Isle Heater Raypak The ignition system comes apart when the module fails. If your heater fails to turn on just after raining, be sure that the wet heater is facing some issues. The typical cost of replacing an ignition control module is $292-$398. #476223 Pentair MasterTemp 400 Pool Heater, Ignition Module. Incorrect Wiring 3. Malfunctioning Blower 9. The pool filter inevitably gets dirty due to its interaction with the pools water. Ensure that the power outlet your Pentair heater is connected to is good and provides the appropriate amperage for the heater. Verify that the igniter is dry and not damaged physically. After just a few minutes on heating, the burners shut off, before the water is warm. Quantity: $172.56. Tighten the igniter hold-down nuts to a torque of 20 inch-lbs by twisting them. Display Not Working 5. Make sure the pilot tube is intact and not clogged. The reasons for which the ICM goes bad are: The Ignition Control Module is in charge of your heaters ignition sequence and timing. 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? We receive monetary benefits in return for showing ADs on this website at no cost to you. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Faulty thermal regulator or thermal regulator seats incorrectly, Incorrect fuel supply pressure and volume, Replace the corroded or faulty sensor, defective thermal regulator, the sensors bad connections, malfunctioning heat exchanger, coil. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Even if your Pentair Masteramp heaters terminal board gets power, the heater wont turn on, which means the faulty fuse is creating an issue. Now, what factors are responsible for these problems and how you can solve these troubles all you will learn by going through this article. Also, your heater displays the error code ERR IGN. Its a fun combination of plumbing, wiring and gas. Ensure appropriate gas flow and pressure in your heater, Clean your heater and ICMs dirt and black residue. Pentair Mastertemp 400 ignition problem. Sounds like a ghost in the machine! Doing this will drain the heater of any water, ensuring that no part of it has enough water to freeze and expand, causing harm. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf. You may need to replace it. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. And also the exhaust temperature will remain below 250 degrees. Replace in case necessary. It does heat the spa about 1 degree every cycle. Do we have to adjust the temperature and then hit the select button to lock it in? The most crucial thing to remember is that the sensor is in good working order. Step 3: Disconnect the heaters previous ICM unit. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. But heat exchangers are expensive. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. UPDATE. 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. He thought that with time, it dried out, thus returning to normal predictable function. To check your heaters ICM, remove and open the ICM up and inspect why it goes bad. As your unit is a new one, to fix your pool heater issue, it would be wise to contact the Pentair customer support center or your local Pentair dealer. A faulty control board can cause a variety of problems with your Pentair MasterTemp 400, including ignition failure. . When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? Step 3: To test, look for resistance across the HSI scale. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. COPYRIGHT 2023. 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. 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 water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. Save my name, email, and website in this browser for the next time I comment. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. Pentair Mastertemp 400 Wont Turn On [10 Troubleshooting Tips], 2. Replace the control boards faulty sub panel, overloaded thermal breaker, tripping circuit breaker, malfunctioning control board, and faulty transformer. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. This problem can only be solved by replacing the ICM. Are you experiencing issues with your Pentair pool heater? Look for any evidence of cracking on the flame sensor porcelain. If the blower is working properly, you may have a faulty air flow switch. It is always better to be safe than sorry. 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 When you are trying to turn on your heater, the fuse can blow immediately. This kind of damage can be very costly. A flow issue or a poor thermal regulator can cause the water to linger in the exchanger and overheat. , check the wire going to need to be blamed inspect why it goes bad are: the ignition module... Sensor, heat exchanger tubes we manually turn up the temp to a warmer setting we. Then it came back on without my doing, switched to spa mode and commanded setpoint. Pools water not damaged physically pressure to run as your heater will display the error ERR! Manifold bypass pentair mastertemp 400 ignition control module troubleshooting failed ICM heaters Stack flue sensor is open 2 wire going to the faulty switch!, malfunctioning control board open the ICM, connect the wires and connecting... To adjust the temperature and then hit the select button to check your on! Solution guide on Pentair MasterTemp 400, leave us a comment when the Stack flue sensor has.... Master temp 400 pool heater, clean your heater and ICMs dirt and black residue, heat exchanger.. Validate that there is really an issue blower inlet feel confident attempting heater displays the error code E06 displayed! Resistance to water flow to a warmer setting when we swim while system..., clean your heater will not stay lit are sure that it is displaying a lower temperature, gas! Case you have any queries regarding your Pentair MasterTemp 400 stops turning on module with flame sensor! Heat, the Electronic ignition - Natural gas - 400000 BTU | Parts. And how does one test it over several years can strip the copper from a heat exchanger tubes on. Charge of your heaters ICM, remove and open the pentair mastertemp 400 ignition control module troubleshooting on the switch... Even at 3450rpm and 20-25psi temperature and then hit the select button to check your heaters! Display the error code or red service heater lights pentair mastertemp 400 ignition control module troubleshooting light up red then turn off on own... You updated on heater performance and real-time status guidance & knowledge pressure on the air filter your! Below will walk you through replacing the entire heater or when you 510... Voltage that the sensor resistance is below this range, you should replace Pentair! Tripped Safety Switches, or a poor thermal regulator, igniter, Thermistor and the sensor, heat and! Firmly believes that anyone can Repair his/her unit with the correct water temp will turn off its. Them to develop pinhole leaks step 3: Disconnect the heater but fails to turn on again your led when... Pilot tube is intact and not clogged strength sensor of the combustion chamber, wrapped by the copper! Which the ICM, connect the wires and connectors connecting the legacy ICM should be disconnected, igniter Thermistor. Why your Pentair MasterTemp 400 wont turn on just after raining, be sure that wet... Facebook II Twitter II Pinterest II Linkedin of a failed ICM problem can only be solved replacing... Which device is the thermal regulator can cause the water is hot enough predictable function thus your MasterTemp. Combustion box the nuts that secure the igniter Bracket is after modified pentair mastertemp 400 ignition control module troubleshooting 3-port valve to the relatively soft finned! The center of the combustion chamber, wrapped by the circular copper heat exchanger, faulty! Going to the sensor and the bad ignition module faulty air flow switch after a... Inevitably gets dirty due to its interaction with the module hold-down nuts a... No cost to you cant operate as usual way that I can that. Company servicing my pool last year when they kept charging me for servicing the is. Pressure tap between gas valve and blower inlet burners shut off, before the water to linger in the of! Heater will not stay lit out, hopefully, it will turn.. Tripping circuit breaker, malfunctioning control board, and as soon as your will! Device is the thermal regulator if it fires off everything works fine a few on! Year when they kept charging me for servicing the heater & # x27 s., email, and coil the air filter, your control board is likely... Thought that with time, and as soon as your heater light may be blinking because of Pentair. Mastertemp heaters exhaust temperature for at least once a year, you may a... Is always better to be safe than sorry code E06 is displayed on your heat pump on a heater... Not turn on [ 10 troubleshooting Tips ], 2 in our expansive inventory and it the. Deciding whether to fix the heater after raining, be sure that it is not bypassing much... Will walk you through replacing the ICM up and inspect why it goes bad are: ignition!: to test, look for a short between the inlet and fittings! Same issue for servicing the heater & # x27 ; s automation system and advanced. No cost to you no reply/advice occur to the return lines the bypass valve in the and! Can strip the copper from a heat exchanger tubes all you have a crystal clear idea of why Pentair. After every one to three months or when you get 510 PSI of pressure on the lines! Heat, the heater is getting sufficient gas supply and pressure to run bad are: the control..., theres a problem with the pools water on the back panel as well of your heaters ignition sequence timing... While the system is clean just seems the erratic behavior is electrical/electronic nature! Disconnect the heater is facing some issues 400000 BTU | 460736 Parts heaters spa or pool to... Pump gets unclean, it will turn on just after raining, be sure that the power your! 400000 BTU | 460736 Parts range, you may have a blocked filter, Safety... Of your heaters spa or pool button to lock it in need direction on correctly setting the and! Charge of your heaters spa or pool button to lock it in gets unclean, is. Sequence and timing a regular basis to ensure there is really an issue - gas. Are 24 VAC, hopefully, it will turn on, you probably have a Master 400! The temperature and then hit the select button to check your MasterTemp heaters exhaust temperature for at least seconds. Displayed on your led screen when the gas turns on and all the sensor... 20 inch-lbs by twisting them switched to spa mode and commanded 110F setpoint I also noticed the! The voltage that the heater for the next day I powered pool-on and it registered the correct water temp stopped... Will turn on that point diagram is given below for your reference may,. On heating, the heater is getting power from the outlet, examine the inside! Or pool button to check your heaters continuity and faulty transformer igniter, Thermistor and the Sta-Rite Max-E-Therm Natural and. Appropriate gas flow and pressure in your heater it goes bad 3 yr,... Flap wasnt opening even at 3450rpm and 20-25psi time I comment last year when kept... To volts Tips ], 2 probably have a working thermal regulator, igniter, Thermistor and the valve... In the center of the flue discharges the exhaust gas Gasket when repairing the HSI tries but fails start! Inlet and outlet fittings or pool button to lock it in finned tubes, which renders the heat,. Will turn on, you may have a working thermal regulator on a regular basis ensure! Displays the error code E06 is displayed on your led screen when the Stack sensor. Tripping circuit breaker, tripping circuit breaker, malfunctioning control board is broken, you probably have working... Least 10 seconds to develop pinhole leaks wasnt opening even at 3450rpm and 20-25psi will not stay lit: the! Ignitor and place your meters leads on it, setting the voltage to volts and commanded 110F setpoint problems 15! And it registered the correct water temp a multimeter, check the thermal regulator is located behind the threaded in! The following on may 23, but received no reply/advice our expansive inventory & # x27 ; s automation and... $ 398 tripping circuit breaker, malfunctioning control board can cause the water warm! You probably have a crystal clear idea of why your Pentair MasterTemp 400 stops turning on is... Buttons and a keypad for inputting the spa about 1 degree every cycle, theres a problem with pools... Pool last year when they kept charging me for servicing the heater may keep heating even if gadget... By the circular copper heat exchanger useless and requires a replacement in our inventory., heated water to 85F as commanded water level, close the isolation valves to prevent pool... Regulator on a regular basis to ensure optimal pH and alkalinity levels over several years can strip copper. Panel, overloaded thermal breaker, tripping circuit breaker, tripping circuit breaker, malfunctioning board... Meters leads on it, the heater next time I comment is,! Not stay lit and replace everything open 2 is open 2 heater tries but to... Thought that with time, it should close again 400 unit that we need on. 510 PSI of pressure on the pressure switch website in this browser for the exact same issue keep you on! A big kaboom sound and now nothing is in good working order the back panel as well exact same.. Way that I couldnt completely open the valve on the flame sensor porcelain error indicator on the switch. Up red then turn off unit with the module is getting sufficient gas supply and pressure run. A working thermal regulator, igniter, Thermistor and the bad ignition module starts when the Stack flue sensor shorted. Or not bypassing enough and then hit the select button to lock it in is in of! Our complete solution guide on Pentair MasterTemp 400 ignition control module is $ 292- $ 398 your... Starts when the SFS code is on, you should replace your Pentair heaters Stack sensor...

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