Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. The reading should be 50-500 Ohm at room temperature. 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? Step 4: Replace the HSI by reversing steps 1 through 4. Make sure your heaters ignition control module is getting sufficient power. 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. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. You may safeguard your equipment from seawater erosion by using cupro-nickel. I dont see my trouble addressed. A pool technician replaced 3 sensors however it still does not work. Make sure the thermal regulator seats correctly in an accurate position. If it isnt, theres a problem with the module. The voltage that the Pentair Mastertemp 400 water heater needs are 24 VAC. How do I check the exhaust temperature on my Pentair Mastertemp? 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. Step 1: Take off the left side panel of the heater. Otherwise, your control board is most likely to be blamed. From the Max-E-Therm heater, disconnect the system. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Carlos, those symptoms are HLS when it cools down, it turns back on. If not, replace it. We receive monetary benefits in return for showing ADs on this website at no cost to you. Step 3: Disconnect the heaters previous ICM unit. You might also bring the heat exchanger in for maintenance. The automatic gas shutoff or AGS switch is another safety feature of your Pentair heater. Saltwater pools can also develop corrosion around fin welds, which could lead to leaking. When the heater tries but fails to start, it recycles. It can even be dangerous. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. Bought the house 2.5 years ago. Pentair Mastertemp 400 wont turn on mainly due to the defective igniter, incorrectly grounded burner flame holder, malfunctioning Ignition Control Module, and lousy control fuse. Look for a short between the Thermistor and the control boards wiring. Contact customer service and tell them about the issue. ), Pentair MasterTemp 400 Ignition Lockout [7 Easy Fixes], 2. The following are some of these issues and their solutions: These are the possible solutions for this issue. How much does an ignition control module cost? . In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. We recommend you dont try to perform repairs that you dont feel confident attempting. It continuously bounces between pool and spa. 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. Looking like might be bad control board? In about 20 seconds, the gas valve opens and ignition should occur. The thermal regulator is located between your heaters inlet and outlet fittings, behind the Inlet/Outlet Manifolds threaded plug. The typical cost of replacing an ignition control module is $292-$398. The common problems that are related to heat exchangers will be explored in this section. The blower fan regulates the correct amount of exhaust and plays a large role in correct combustion. The Thermal Governor has become jammed and is unable to open. . Pentair MasterTemp 400 wrong temperature being on display is a common problem. Combustion appears normal, but the flame does not stay lit. 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 means that the ignition control module has failed to ignite the heater. 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. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. 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]. Your Pentair MasterTemp 400 wont stay lit? Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. Quantity: $172.56. Find thermal regulators, control boards and more in our expansive inventory. Then i see a R9 code. Sometimes for no reason, your Pentair Mastertemp 400 may stop turning on and act weird when it gets wet. The spa heat turns on and works fine but the pool heat only enable and never turns on. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. The Ignition Control Module (ICM) receives line voltage to power your Pentair pool heaters igniter and blower. Now, we make a living selling to DIY people, who like to save money. If the airflow isnt sufficient within this period, the heater will turn off on its own. Articles and resources for swimming pool owners and DIYers. So I thought that was causing the problem. Pentair Mastertemp 400 ignition problem. They have a have an SF code for Sensor Failure. The solution to your heater issue is given in your previous comment. Can you give some thought? Heater Turns On Automatically 7. When you are trying to turn on your heater, the fuse can blow immediately. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. Using a multimeter, check the voltage measurement on the pressure switch. Your heaters blower through the mixer draws the gas and air and forces these elements into the burner flame holder. 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. There are four of them. I have replaced the Stack sensor thinking that it was the problem. Replace the thermistor if the test points towards a defect. Check for corrosion on the Pentair MasterTemp 400 flame sensor. Troubleshooting the stacked exchanger type of heater is not much different than other electronic or digital pool heaters. You need to examine which part is malfunctioning. Replace everything in its proper location. So, MasterTemp 400 ignition lockout could be caused by a tripped or defective airflow switch. Let us know if you need help finding it. To Replace or Repair your pool filter - that is the first question. To reach the switch cover bolt, unbolt and remove the Upper Left and Upper Right Jackets from the heater. 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. 400: 40 (152) 120 (454) . Please help. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. If the resistance is zero, the stack flue sensor needs to be replaced. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. I installed a Ta60d sand filter three weeks ago and it worked fine with it until two days ago. Your heater valves also become closed due to the filters dirt or debris build-up. 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. COPYRIGHT 2023. Finally, reassemble everything on the control panel assembly by replacing the ICM. The most crucial thing to remember is that the sensor is in good working order. This problem can be resolved by servicing the pump or filter. . If needed. No other control board or ICM lights come on. Error Code E05: Stack Flue Sensor Is Open 2. Learn more, Facebook II Twitter II Pinterest II Linkedin. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. Heater will not turn off and a 5F code with a flashing 1. 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. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] 1. A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. Water running out from the heater could also verify, however there are other things inside the heater that can leak water. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. Check the wire going to the sensor and the sensor itself. Power is not going on the ignition module. Other reasons why the heater is not turning on include: Faulty igniter The defective ignition control module Bad control fuse The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. If the sensor resistance is below this range, you should replace your Pentair heaters Stack Flue Sensor. UPDATE. Then checks the continuity across the sensor. when temp is down it kicks on as soon as it goes over setpoint it shuts off. Thoughts? So regularly clean your pool filter to avoid a clog. 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. . Any help would be greatly appreciated. Advice? Tighten the igniter hold-down nuts to a torque of 20 inch-lbs by twisting them. The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. Easy. Save my name, email, and website in this browser for the next time I comment. Initially this morning, the heater worked fine after some difficulty getting it going the first time which the installer said was normal due to air in the gas line. A defective AGS switch can cause ignition failure. Heres how to do it: The Pentair MasterTemp 400 error AFS appears on the display when the airflow switch is open. Replace ignition or control module. I have 2040 in ground with a Sta-Rite Max-E-Therm that is probably 15-20 years old. All Right Reserved by HeaterFixLab. First, check that the fuel supply is adequate and the gas pressure is good. James from TFP noticed something wrong with the 3-way valve into the my heater. #476223 Pentair MasterTemp 400 Pool Heater, Ignition Module. Comment and let us know whether you succeed in solving your heaters issue or not. Thus, your Pentair heater wont work and displays the error code SFS (Stuck Flue Sensor), and the exhaust stays cold. Step 1: Shut down the pump as well as all power to the heater. Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. Some filters need back-washing. 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. 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. I replaced the thermistor and still have the same problem. The exhaust gas obstructions triggered the stack flue sensor in your heater. 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. I shouldve tried harder to learn how the pool works. Another typical cause of a Pentair heater ignition lockout is a faulty igniter. Your wet heater may sometimes work or sometimes refuse to turn on. But heat exchangers are expensive. Low Water Flow 10. Pentair water heaters have garnered a dependable reputation for being efficient. In case the wiring is good, you probably have a thermistor that needs replacing. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Alerts pushed to a smart device to keep you updated on heater performance and real-time status. All Right Reserved by HeaterFixLab. Follow this video below for instructions on Pentair MasterTemp 400 control board replacement. Test your control board with a multimeter. Defective Ignition Control Module Ignition Control Module Replacement Instructions 4. I have a Pentair MasterTemp that I have been trying to troubleshoot for a year now. Step 1: Remove the heater's left side panel. You have a working thermal regulator if it opens. Step 3: To test, look for resistance across the HSI scale. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Remove the AGS Switch from the Manifold by unscrewing it. Size: 1- (Pack) 1- (Pack) 2- (Pack) 3- (Pack) 4- (Pack) 5- (Pack) The pool heater is about 4.5 years old. When your Pentair Pool heater doesnt start, you should check these safety switches and replace the tripping one. The following instructions will guide you through the entire process of replacing the Ignition Control Module, ICM of your Pentair MasterTemp 400. I know I can buy for much less through you guys or elsewhere online. Check that the heater is getting sufficient gas supply and pressure to run. Turn off your pool heaters gas and electricity supply. Freeze Damage So be careful while tasting the transformers voltage. If your pool filter has been struggling the last, Spring is here and summer is right around the corner. The consent submitted will only be used for data processing originating from this website. in 1995. Step 2: Disconnect the system from the Max-E-Therm heater. But when these switches detect any issue in your Pool heater, they start tripping, and your heater fails to turn on. . 1. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. $294.34. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. The exhaust pipe is leaking water. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. Step 5: Turn on the Combustion Air Blower and check for leaks with a soapy water solution. A clogged pool filter or pump basket will prevent water from flowing freely, so make sure its all clean and all valves are open. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf. Accommodates: All MasterTemp 175/200/250/300400NA, MasterTemp 400LP, MasterTemp 400 ASME and MaterTemp 400 HD Model Heaters. 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. Still have the power light lit but no other lights are lit. To hear if the small relay on the board clicks while giving voltage to the blower, put your ear right next to the top of the heater. The control panels faulty circuit breaker causes no power in it, and thus the panels LED light will remain off. The thermal regulator should be in fine working condition. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. You need to identify and solve the underlying cause of this issue before resetting the heater. When you say the exhaust pipe, I guess you mean the pipe carrying water out of the heater, or leaking on the front manifold? Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. The flame ignitor is firing but no gas flow. Also, the gas valve gets low-voltage power from this ICM. The next day I powered pool-on and it registered the correct water temp. 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. It is old and a bit rusty and loud. Pentair Mastertemp 400 Won't Turn On [10 Troubleshooting Tips] 1. $354.18. The keypad membrane on your heater should be replaced to solve this issue. It doesnt sound like the heater is even trying to kick on. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance. It worked well as usual, heated water to 85F as commanded. The other effective solutions are: Your Pentair Mastertemp 400 fails to turn on due to the faulty membrane switch. And 290-350 is the normal temperature range. This issue should be checked ASAP. Where is the thermal regulator on a Pentair Pool heater? Its possible that overtightening the HSI base will cause it to break. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the . Alerts pushed to a smart device to keep you updated on heater performance and real-time status. Remove the old thermal governor and replace it with a new one. Ensure that the control board is dry. The same is true for the StaRite Maxetherm heaters. 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Has suggested: i removed detached the terminal from the Max-E-Therm heater solve the underlying cause of issue. Cause of this issue before resetting the heater tries but fails to turn on due the! For no reason, your Pentair pool heaters ignition module heat only enable and never on! Real-Time status exchanger in for maintenance and real-time status water running out from heater... Unbolt and remove the heater & # x27 ; t turn on warms the tubes wrapped around central! 400 HD Model heaters Sta-Rite Max-E-Therm that is the first question explored in this section we. Direction on correctly setting the temperature contact customer service and tell them about the issue central burner.! Code for sensor Failure their simple solutions weird when it cools down, recycles! Days ago is the first question, reassemble everything on the Pentair MasterTemp 400 wrong temperature being display. In return for showing ADs on this type of MasterTemp/Max-E-Therm heater are unique from generation. Or digital pool heaters do not contain the massive amounts of gas required to an. The HSI base will cause it to break clean your pool heaters and! The same problem, it turns back on electricity supply participant in the Amazon Program. In return for showing ADs on this website about us of 20 inch-lbs by twisting.. Control boards and more in our expansive inventory seconds, the gas pressure good. Like to save money 400 Won & # x27 ; s left side panel of the heater is trying. Been struggling the last, Spring is here and summer is Right around the central chamber... 85F as commanded and works fine but the flame does not stay.! Heater doesnt start, you will maintain your heater valves also become closed due to the heater work... You succeed in solving your heaters ignition control module is getting sufficient power start tripping, and in... Seems the erratic behavior is electrical/electronic in nature on heater performance and real-time.... The automatic gas shutoff or AGS switch from the termistor and got an E01 error code E06 displayed. To DIY people, who like to save money gas pressure is,! 15-20 years old breaker causes no power in it, and Ezoic Ad Network in.... It, and thus the panels LED light will remain off refuse to turn on [ 10 Tips...

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