), Pentair MasterTemp 400 Ignition Lockout [7 Easy Fixes], 2. The pump basket blockage or clogged filter causes water flow resistance. Why does my Pentair heater keep turning off? We are going to look over the common Pentair MasterTemp 400 error codes in this section. A second major problem with heat exchangers is scaling water conditions and poor combustion. How do I check the exhaust temperature on my Pentair Mastertemp? Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. Frank. When your heater isnt automated but you find that it is turning itself on, you probably have a bad keypad membrane or control board. As of now, Im at the mercy of my pool company? Product Details. See page 16 and verify the gas regulator is -0.2 wc. First, test the terminal boards fuse to ensure your heaters continuity. If your Pentair MasterTemp is making a knocking sound, it can be because of a faulty manifold bypass or a broken temperature regulator. To reach the switch cover bolt, unbolt and remove the Upper Left and Upper Right Jackets from the heater. It will create all sorts of trouble from ignition failure to displaying the wrong temperature. To fix your heaters control panels hitch, do the following: Note: Checking the voltage is quite risky and has accident potential. There are two. Very low pHand alkalinity levels over several years can strip the copper from a heat exchanger and wear the tube walls paper thin. From the Max-E-Therm heater, disconnect the system. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. I also cannot get the red up arrow to raise the temperature to raise the desired temperature. It worked well for the last 3 days. That could be an o-ring issue on the union, or a leaking drain plug, or at the point where the manifold bolts to the heater body. When I ask for heat, the service system and service heater lights briefly light up red then turn off. Then replace the faulty ICM. When replacing the ICM, connect the wires according to the installation manual. 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. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. It cycles for a bit then I hear a click either it fires off or it doesnt. Its possible that overtightening the HSI base will cause it to break. Hi Emma, your heater has two thermostats, for convenience, to keep one set to spa temp and one set to pool temp, so you dont have to go back and forth, and try to remember the exact setting each time. Power is not going on the ignition module. We have a Pentair minimax 100 Dsi. How do you test an ignition control module? You have a working thermal regulator if it opens. Locate the pressure switch on the front header, and test run the heater with a jumper wire connected to both terminals (or held in place firmly by hand), to jump-out the pressure switch. Now, what factors are responsible for these problems and how you can solve these troubles all you will learn by going through this article. Pentair water heaters have garnered a dependable reputation for being efficient. (Be sure that it is leaking and not just condensating). Supercedes #42002-0052S. Malfunctioning Blower 9. I have a Purex triton minimax model 350, with electronic ignition, serial # E00596037 built approx. This could be a sign of a faulty flame sensor. Step 3: Disconnect the heaters previous ICM unit. Wet Or Damaged High Limit Switch 5. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. Table of Contents 12 Pentair Heater Error Codes, Their Meanings & Solutions 1. Step 4: Take the switch cover off. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Step 4: Replace the HSI by reversing steps 1 through 4. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. It is always better to be safe than sorry. Learn more, Facebook II Twitter II Pinterest II Linkedin. Your heater will not light if the igniter fails to create a spark. Gave me directions to check thermistor output which I verified is working correctly: 7.7K ohms for 89 degree water. The 2nd is after modified the 3-port valve to the return lines. The wiring diagram is given below for your reference. Test your control panel with a multimeter. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. If it isnt, theres a problem with the module. In fact, his aim is to help his readers to fix the issues with their heating appliances easily.More about us . Bypass the flame sensor to determine if the pool warmer will fire without it. First, check that the fuel supply is adequate and the gas pressure is good. The Thermal Governor has become jammed and is unable to open. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. If the heater stays running with the pressure switch bypassed, then see what can be done to improve flow rate. The typical cost of replacing an ignition control module is $292-$398. All Right Reserved by HeaterFixLab. $4100 is not cheap. If you have a successful ignition, the problem is most likely the flame sensor. Articles and resources for swimming pool owners and DIYers. No error codes in front and no led error indicator on the back panel as well. 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. I have a Master Temp 400 pool heater it does not turn on. The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. Step 2: Remove the nuts that secure the Igniter Bracket. 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. Pentair MasterTemp Max-E-Therm Ignition Control Module | 42001-0052S | 476223. The easy replacement steps are: The lousy control fuse inside your heaters silver box and the power interface board are other reasons which hinder your heater from coming on. Look for any evidence of cracking on the flame sensor porcelain. When you are trying to turn on your heater, the fuse can blow immediately. However, along with the improper installation, the faulty ground circuit and lousy wire from the burner base disturb the burner flame holders functioning. The other effective solutions are: Your Pentair Mastertemp 400 fails to turn on due to the faulty membrane switch. To test, unplug the ignitor and place your meters leads on it, setting the voltage to volts. Any suggestions? You may safeguard your equipment from seawater erosion by using cupro-nickel. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. The breaker is tripped as a result of this. So, the voltage will only appear for about 20 seconds and it should drop out shortly after the gas valves opens. http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. Hold down your heaters SPA or Pool button to check your Mastertemp heaters exhaust temperature for at least 10 seconds. 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. Find many great new & used options and get the best deals for Genuine Pentair Manifold for MasterTemp / Sta-Rite Max-E-Therm 175 through 400 at the best online prices at eBay! 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. This Digital Module Ignition Control Is Designed To Use With Minimax Nt Std, Ln Pool And Spa Heater With Ddtc Controller Models 200, 250, 300, 400 ; Digital Module Ignition Control Replacement ; Fits Minimax Nt Std, Ln Pool And Spa Heater With Ddtc Controller Models 200, 250, 300, 400 ; Country Of Origin: Taiwan, Province Of China This problem needs to be fixed ASAP. However, your heaters filter becomes blocked for the following reasons: Over time, the slow accumulation of debris creates a clog in your heaters Filter. Also could possibly have circuit board problems. 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). The thermal regulator should be in fine working condition. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. Hi Check the thermal regulator kit, to be sure that it is not bypassing too much water, or not bypassing enough. The water inside the equipment can freeze and expand, causing cracks in your heater. I think our heat exchanger corroded last summer. Then turn on the heater to test if the module is sending the ignitor the proper voltage. If flow is not the issue, yes it could be the hi-limit switch (but not the thermal cut-off, because it wouldnt come on at all). 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. I only found 1 small stone stuck inside where the bypass is. 400: 40 (152) 120 (454) . Alerts pushed to a smart device to keep you updated on heater performance and real-time status. There is no error code or red service heater light on. Save my name, email, and website in this browser for the next time I comment. The reading should be 50-500 Ohm at room temperature. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. 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. The Pentair Mastertemp 400 is a heater that is used to warm water in swimming pools, as well as in spas. All you have to do now is double-check the burner. Ensure that the control board is dry. (Seconds! Each switch performs different safety functions such as: All these switches are your heaters safety devices. But heat exchangers are expensive. I shouldve tried harder to learn how the pool works. When I finally was able to control again (for a time, keypad controls seemed to be disabled), I shut heater off, let it sit for a time. No volt or lower volt (less than 24 VAC) coming to your control panel from the transformer means your heater will not turn on. It will be tough for the heater to function correctly with lower water levels. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength sensor help to ensure optimal heater performance. Is this normal? In case you have any queries regarding your Pentair MasterTemp 400, leave us a comment. 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. Replace it. It fires up fine again then the same thing happens. Properly clean the sensor, heat exchanger, and coil. The keypad membrane on your heater should be replaced to solve this issue. They will help you out with replacing your control board. If the blower is working properly, you may have a faulty air flow switch. The Pool company said that it is probably condensation. Pentair MasterTemp 400 error code E06 is displayed on your LED screen when the stack flue sensor has shorted. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. When the folks came to open my pool last week, they said it was leaking and that the owner was coming out to look at it. Im not sure where to even begin. Change the faulty igniter and the bad ignition module. Today I saw that the multiple error codes i noted above are back, and heater controls seemed to be disabled (it rained all day yesterday, but I could hear the heater cycling on and off yesterday as water temp dictated, though overnight it was damp and foggy). The thermal regulator is located between your heaters inlet and outlet fittings, behind the Inlet/Outlet Manifolds threaded plug. When exhaust temperatures are above 350 degrees, this occurs. Of course, there is also an internal bypass in most gas pool heaters. But, is there a way that I can validate that there is really an issue? They said the 126 display was an error code. You can test the thermal regulators continuity by removing it. timsdca 13 years ago Hi All, I Just had a new pool finished and am having difficulty getting the heater to ignite. Remove the wiring connection. You will need to repair or replace damaged parts. Moreover, water cant move at a normal rate through the clogged filter. Ascertain that the blower is securely fastened in its location. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. Device to keep you updated on heater performance and real-time status shortly after the gas turns on and the. Fuse to ensure your heaters continuity than sorry on my Pentair MasterTemp 400 shutting. Tube walls paper thin local company, Right pool finished and am having difficulty getting the to... 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