Pentair Mastertemp 400 keeps shutting off, Pentair MasterTemp 400 display not working, Pentair MasterTemp 400 blower not working, Torpedo Heater Keeps Shutting Off [9 Easy Fixes], Comfort Zone Heater Not Working [7 Easy Fixes], complete solution guide on Pentair MasterTemp 400 keeps shutting off, Richmond Tankless Water Heater Code 29 [Reasons + Solutions], Richmond Tankless Water Heater Code 13 [Reasons + Solutions], Richmond Tankless Water Heater Code 11 [Why+ How To Fix], Richmond Tankless Water Heater Code 12 [Why+ How To Fix], How To Adjust Temperature On Richmond Water Heater [Made Easy]. Error Code R13: Startup Mode 4. Paul, that sounds like an external heater bypass arrangement, used when very large pool pumps are used, to allow some of the water to bypass the heater. Verify that the igniter is dry and not damaged physically. You can look at our heater parts pages, and see prices for your make/model/size heater. Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. Comment and let us know whether you succeed in solving your heaters issue or not. The breaker is tripped as a result of this. 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. It fires up fine, but about 15 minutes into heating the service heater light comes on and I am unable to turn it off with the power button and I have to unplug it to reset it. how to fix Pentair MasterTemp 400 common problems, connect the wires according to the installation manual, Pentair Heater Not Turning On [7 Easy Fixes], Pentair MasterTemp 400 Not Heating [7 Easy Fixes], State Select Water Heater Pilot Light Issues [7 Easy Fixes], Richmond Tankless Water Heater Code 29 [Reasons + Solutions], Richmond Tankless Water Heater Code 13 [Reasons + Solutions], Richmond Tankless Water Heater Code 11 [Why+ How To Fix], Richmond Tankless Water Heater Code 12 [Why+ How To Fix]. However, the igniter becomes faulty for the following reasons: The defective igniter prevents your Pool heaters turning on and flame creation and causes a gas leak in your heater by increasing the gas flow. Bought the house 2.5 years ago. 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. Your heater's ignition control module is the most likely culprit that will need to be replaced. . Still have the power light lit but no other lights are lit. Reduce strength of exhaust vent and/or number of elbows. The wiring diagram is given below for your reference. Verify your heaters burner flame holders installation and make sure it is properly grounded. Fill a jar halfway with 130F water. Main engine troubleshooting - Why does the engine not start? 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. Check for any blockage of the burners, by something fallen on the burners, and up top, be sure the heater exhausts properly, no obstructions in the venting (birds nests, leaves, soot). In case the wiring is good, you probably have a thermistor that needs replacing. Step 5: Take the new AGS switch and reverse steps 1 through 4 to replace it. He thought that with time, it dried out, thus returning to normal predictable function. 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. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. All Right Reserved by HeaterFixLab. The consent submitted will only be used for data processing originating from this website. But when these switches detect any issue in your Pool heater, they start tripping, and your heater fails to turn on. If the blower is working properly, you may have a faulty air flow switch. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. This problem needs to be fixed ASAP. The solution to your heater issue is given in your previous comment. Step 1: Shut down the pump as well as all power to the heater. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. Without a working control panel, your heater is no good. The ignitor is connected to the Molex connector with wires. Get a new igniter, the same as the previous igniters part number. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. If the automatic gas shutoff switch has tripped, you need to reset it. Another typical cause of a Pentair heater ignition lockout is a faulty igniter. See page 16 and verify the gas regulator is -0.2 wc. The wires and connectors connecting the legacy ICM should be disconnected. Pentair water heaters have garnered a dependable reputation for being efficient. It is always better to be safe than sorry. I suspect it could be the safety shutoff, thermal cutoff or Hi-limit switch interrupting the heating cycle. Thanks for your help! However, along with the improper installation, the faulty ground circuit and lousy wire from the burner base disturb the burner flame holders functioning. Is enough water getting into the heater? I called Pentair tech support and they helped with some troubleshooting. The leak can be verified by you, if you lift the lid and inspect inside. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. If your control board is broken, you must replace it. Look for any evidence of cracking on the flame sensor porcelain. Continue doing so until the plug, as well as the thermal regulator, comes off. Low Water Flow 10. James from TFP noticed something wrong with the 3-way valve into the my heater. The blown 1 amp fuse in your heaters control panel creates a short on your heaters system board. What does E05 mean on the Pentair Pool heater? Make sure the pilot tube is intact and not clogged. Here are the video links. Replace the control boards faulty sub panel, overloaded thermal breaker, tripping circuit breaker, malfunctioning control board, and faulty transformer. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. And 290-350 is the normal temperature range. If the resistance is zero, the stack flue sensor needs to be replaced. Hopefully, you now know what to do during a Pentair MasterTemp 400 ignition lockout. Articles and resources for swimming pool owners and DIYers. If the airflow isnt sufficient within this period, the heater will turn off on its own. Improperly Grounded Burner Flame Holder, Ignition Control Module Replacement Instructions, Pentair Mastertemp Pool Heater Filter Cleaning Instructions. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Natural Gas - 400000 BTU | 460736 Parts . Inspect the pump and filter and clean if necessary. You will need to repair or replace damaged parts. In about 20 seconds, the gas valve opens and ignition should occur. 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. You may safeguard your equipment from seawater erosion by using cupro-nickel. ******************************************************** Replace the fuse if blown. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then wont come back on. The ignition module will not turn on unless the airflow switch and the other safety switches are closed. 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? First, test the terminal boards fuse to ensure your heaters continuity. So, was going to need to be replaced at some point. So stay tuned. The heater manifold, and also the water flow sensor, and the Thermistor connections may be getting wet. If your pool filter has been struggling the last, Spring is here and summer is right around the corner. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. in 1995. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. First, you need to check on the wiring connection of the thermistor. 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. Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. Save my name, email, and website in this browser for the next time I comment. We are always here to help you. $4100 is not cheap. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? Tripping Safety Switches Change the faulty igniter and the bad ignition module. So, now you have a crystal clear idea of why your Pentair Mastertemp 400 wont turn on. Follow the actions outlined below to replace it. Heater keeps trying to ignite in the same manor for the next 10-20 minutes before it will finally get a service system light. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. Pentair Mastertemp 400 error code E01 means that the water temperature sensor is open. Heres how to do it: The Pentair MasterTemp 400 error AFS appears on the display when the airflow switch is open. They said the 126 display was an error code. The ERR PS indication on the LCD shows that the heater is receiving insufficient water flow. Unplug the AGS wires from the Switch. The Thermal Governor has become jammed and is unable to open. Heater will not turn off and a 5F code with a flashing 1. Error Code E06: Stack Flue Sensor Is Shorted 3. . I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. The ignition module then powers the blower for pre-purge (timed) and after pre-purge powers the ignitor for a timed warmup period. Frank. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. If the gadget is in good working order, it should close again. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Thus your heater wont turn on. A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. And then connect the new igniter to your heaters motherboard wires. Your heater valves also become closed due to the filters dirt or debris build-up. Replaced the thermistor probe, not the problem, not getting an error code, if I keep running, the heater ignites again and again turns off? If your pilot isn't lit, check the gas pressure, air supply, and proper venting. Take a closer look at where the water originates. There are two. 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. Make sure the blower is running properly and nothing is impeding the airflow to reset the AFS. Thus, your Pentair Mastertemp 400 fails to operate and turn on. You need to take apart the filter cover and get the elements out. I just didnt trust them anymore. Remove the old thermal governor and replace it with a new one. ), Pentair MasterTemp 400 Ignition Lockout [7 Easy Fixes], 2. Make sure that the pilot is lit (millivolt heaters). Copyright 2022 In The Swim. You might also bring the heat exchanger in for maintenance. Also, maintain a cleaning routine and periodically clean your Filters dirt and debris build-up. If the problem persists, remove the temperature regulation completely and see whether the heater runs. So, MasterTemp 400 ignition lockout could be caused by a tripped or defective airflow switch. We will do our best to help. Freeze Damage When you switch on the heater and it runs through the 888, 128, R13, pay attention. I have tried running it with the pump going full boogie to see if it is water flow problem and the service heater light still comes on. 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! Thank you Frank The wires and connectors connecting the legacy ICM should be disconnected. How do you test a Pentair stack flue sensor? 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. www.pentairpool.com. A local pool service expert suspected the electronic control board may have gotten wet (we have had a good deal of rain here in northeast ohio recently) thus the odd error messages that I can not find in the owners manual. The water inside the equipment can freeze and expand, causing cracks in your heater. Installing a pool heater is not simple, but is done DIY all the time. When you are trying to turn on your heater, the fuse can blow immediately. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? Remove and adequately clean the filters remaining large debris. When your Pentair Pool heater doesnt start, you should check these safety switches and replace the tripping one. Pentair MasterTemp 400 heating light flashing is caused when the heater is calling for heat but not igniting. 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. You must assess the heater, compare it to its overall age, determine whether there is a lot of rust and corrosion development at the bottom of the container, inspect the combustion firebox for broken fire tile, and so on. This error code should not be shown on your Pentair heater at this point. Dirty Filters 12. Sensor Issue 7. Advice? 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. Sta-Rite 42001-0052S Ignition Control Module, Digital. Defective Control Panel 11. Take the heaters side panel off and dry the connections with a blow dryer. The board may be fried, but do a complete power down, at the breaker, pull open the control panel, and inspect, clean the area, and look for signs of water intrusion. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. Change the waters chemicals to achieve equilibrium. William is the founder of Fireplacehubs.com. Some filters need back-washing. Web pentair mastertemp 400 common problems are ignition failure, temperature problems, heater keeps shutting off, display not working. To accomplish this, you must: As you turn on the heater, the error code should no longer be on display. There are some common temperature issues that users face. There is no error code or red service heater light on. Thus when your Pentair pool heater stops turning on, you should check and replace the bad igniter. 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. 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. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. They can cost you up to 50% of a new heater. 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. If needed. Pentair Mastertemp 400 has several safety switches, including the Air Flow Switch (AFS), Water Pressure Switch, and High Limit. Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. What else can impact the temp reading? There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. The other solutions to fix this issue are: To replace your Pentair pool heaters faulty igniter, do the following: An insecurely grounded burner flame holder is also responsible for preventing your Pentair Pool heater from turning on. This can be caused by incorrect wiring of the thermistor or a faulty thermistor. So, keep reading till the end. I do not have it connected to a spa. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. Ensure your heaters transformer supplies proper power or voltage to your heaters control board. 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! If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the . A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. 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. Ensure that the control board is dry. So be careful while tasting the transformers voltage. When I ask for heat, the service system and service heater lights briefly light up red then turn off. If you have a successful ignition, the problem is most likely the flame sensor. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. Examine the area for any clogs or impediments. I connected my old termistor and got a reading of 85 degrees. Get a multi-meter and check whether power is present in your heaters input terminal or not. It is a sfs code, but with no e05 error code. The heat exchanger tubes can be replaced with you using the existing front and rear headers (aka manifold), and hi-limits, and all the rest of the parts. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? 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. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. If the filter isnt the issue, a faulty safety switch is next to check. Ensure that the pool filter is clean and clog-free. You may require cleaning your filter this way twice a year instead, depending on consumption (particularly if your pool is open all year). Carlos, those symptoms are HLS when it cools down, it turns back on. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. Make sure the thermal regulator seats correctly in an accurate position. Faulty Igniter Igniter Replacement Instructions 2. He has practical skills in fixing smoker & heating appliance issues. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. How to Reset Honeywell Thermostat? Thus your Pentair Mastertemp 400 fails to turn on due to the igniter with a low resistance to the ground. We have a Pentair pool heater that all the sudden kicked off Saturday. Incorrectly Set Temperature Control 2. But, is there a way that I can validate that there is really an issue? 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. Contact customer service and tell them about the issue. I replaced the thermistor and still have the same problem. Supercedes #42002-0052S. If you cycle power to clear the lockout, how many tries does the heater go through before going into lockout? Here we have elaborated on all the troubling points as well as the fixing steps. Step 4: Replace the HSI by reversing steps 1 through 4. Boiling in the heat exchanger can occur for a number of reasons. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. Replace the defective parts. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Then check for the blown or faulty control fuse on your heaters system board. To get to the burner inside the heater, open it up. The 2nd is after modified the 3-port valve to the return lines. Frank, I do concur with the pool tech, that this seems like a wet circuit board, but perhaps also a damaged circuit board at this point. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. COPYRIGHT 2023. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. As soon as I read his reply about the 3-port valve going into the heater, I thought right away it all make sense. Incorrect Wiring 3. 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. Please help. The accuracy of the heater temperature display was increased as a result of this. The next day I powered pool-on and it registered the correct water temp. Step 1: Take off the left side panel of the heater. However, your heater will show the exhaust temp. Learn more, Facebook II Twitter II Pinterest II Linkedin. 400: 40 (152) 120 (454) . It also could be a bad pressure switch, or switch out of adjustment, some have a small screw that can be turned to reduce/increase psi. Step 1: Remove the heater's left side panel. Step 2: If the heater is below the pools water level, close the isolation valves to prevent the pool from draining. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. Even if your Pentair Masteramp heaters terminal board gets power, the heater wont turn on, which means the faulty fuse is creating an issue. No other control board or ICM lights come on. Replace or Repair your Swimming Pool Filter? Wet Heater 6. Defective Ignition Control Module 7. Now the igniter replacement is complete. After the gas valve opens, the HSI will switch to a sensing mode to monitor the flame. If the sensor resistance is below this range, you should replace your Pentair heaters Stack Flue Sensor. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance. Power is not going on the ignition module. The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. I only own a pool. Web these pentair mastertemp 400 problems relating to temperature are explored below. 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. Temperature regulation completely and see prices for your reference to open sudden kicked off Saturday wear the tube walls thin. Closed due to pinhole leaks the thermal Governor and replace it heaters issue not.: if the blower is working properly, you now know what do... To fix the heater is less than ten years old, it should close again heater for the day... This website normally connected by two couplers that can be because of a new entirely... 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Our heater parts pages, and see if that makes a difference reversing steps 1 through 4 replace. 128, R13, pay attention damaged parts and DIYers here and summer right... Pool owners and DIYers intact and not clogged pHand alkalinity levels, and transformer! Seawater erosion by using cupro-nickel the wires and connectors connecting the legacy ICM should be disconnected persists... Verify your heaters input terminal or not the relatively soft copper finned tubes, pentair mastertemp 400 ignition control module troubleshooting. When your Pentair heater filter Cleaning Instructions intact and not damaged physically connections! And product development the blower is working properly, you must: as you turn on your system... May have a new Pentair MasterTemp 400 ignition lockout [ 7 Easy ]... And all the burners on this type of MasterTemp/Max-e-Therm heater are unique from generation! Or voltage to your heaters issue or not, a faulty manifold bypass or a faulty thermistor will! 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Your heater will turn pentair mastertemp 400 ignition control module troubleshooting on its own defective airflow switch and reverse steps 1 4!