Is there a bypass valve open? The next day I powered pool-on and it registered the correct water temp. Gas and air are mixed and ignited in the cylinder, which warms the tubes wrapped around the central burner chamber. Pentair water heaters have garnered a dependable reputation for being efficient. Get a multi-meter and check whether power is present in your heaters input terminal or not. Pentair MasterTemp 400 Flameholder Kit | 77707-0204. 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. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. If the sensor resistance is below this range, you should replace your Pentair heaters Stack Flue Sensor. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. I run the heater and this time it did something different. 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. How to Reset Honeywell Thermostat? I sent the following on May 23, but received no reply/advice. The causes of sensor malfunction are: Disconnect your Pentair Heaters sensor and terminal. Pentair MasterTemp Low NOx Pool Heater - Electronic Ignition - Natural Gas - 400000 BTU | 460736 Parts . . Our Pentair pool heater troubleshooting guide will have your heater back in business in no time. Is the filter or baskets dirty, or impeller clogged? Examine the area for any clogs or impediments. Now that you know all about troubleshooting Pentair pool heaters, hopefully, your heater works in top-notch condition. The reading should be 50-500 Ohm at room temperature. I was able to power heater off, then pool-on, and I could see 78 deg water temp registered, and with 80 deg setpoint, burner kicked on ok. 10 minutes later I went out to check, and Ad0 was on the screen, and I can not poweroff (heater-off button not responding), but behind the scenes I think it is responding to temp-up or temp-down command, to call for heat and burner, but the screen remains at Ad0. Supercedes #42002-0052S. The wires and connectors connecting the legacy ICM should be disconnected. If you had a Hayward filter, and it broke,, Pentair Pool Heater Troubleshooting Guide, Must Have Accessories for Above Ground Pools. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. Free shipping for many products! Check to see if anything is stuck on the stove. Incorrect Wiring 3. . Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. 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. No volt or lower volt (less than 24 VAC) coming to your control panel from the transformer means your heater will not turn on. Frank. Step 3: Disconnect the heaters previous ICM unit. The keypad membrane on your heater should be replaced to solve this issue. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. The sensor continuity or resistance should be between 3.5-4.0 megaohms. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. 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 . This is accessed thru the end cap, two bolts on the side of the header. 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. 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. First, you need to check on the wiring connection of the thermistor. Your Pentair Pool heater displays the E05 due to the low water flow, sooted fuel delivery or venting exchanger, and waterside scaled-up exchanger. It doesnt sound like the heater is even trying to kick on. It worked well for the last 3 days. Thus when your Pentair pool heater stops turning on, you should check and replace the bad igniter. Is enough water getting into the heater? The pump basket blockage or clogged filter causes water flow resistance. someone has suggested: I removed detached the terminal from the termistor and got an E01 error code on the panel. On your pool heaters Junction Box chamber, insert the new ICM. Pentair Mastertemp 400 Wont Turn On [10 Troubleshooting Tips], 2. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. Thus replace the malfunctioning or stuck Membrane Pad, Switch, and switchs damaged or bad wiring. Then replace the faulty ICM. Could the problem be with the flow or pressure sensors? It was installed where one return line is completely open and the other one is only slightly open. You need to examine which part is malfunctioning. William is the founder of Fireplacehubs.com. It calls for heat, heat starts for maybe 5-10 seconds, then stops, temp raises rapidly to 124 then slowly back down to 75 and cycles again doing the same thing over and over again. Kindly help. Thanks for your help! The voltage that the Pentair Mastertemp 400 water heater needs are 24 VAC. 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. Thoughts? Gentlemen, All you have to do now is double-check the burner. Advice? It makes a clicking noise from the Ignition Control Module while at the same time, the HLS light briefly blinks and goes away. Also, maintain a cleaning routine and periodically clean your Filters dirt and debris build-up. My Pentair 250 heater will not stay on the pool setting. Any suggestions? If the gadget is in good working order, it should close again. Main engine troubleshooting - Why does the engine not start? He has practical skills in fixing smoker & heating appliance issues. And then replace the fuse or the entire system board. A defective AGS switch can cause ignition failure. Pentair MasterTemp 400 Keeps Shutting Off [9 Easy Fixes] 1. The time it takes a heat pump to heat a pool is determined by a few factors. You need to take apart the filter cover and get the elements out. COPYRIGHT 2023. Defective Control Panel 11. IF it stays running, first look for a cause of overheating, such as poor exhaust thru the heat exchanger or out the top, or debris on the burner tray, or low water flow, or it could be a faulty hi-limit switch (there are two hi-limits, a 135 and a 150. Watching this video will give you more insight into how to clean up your Pentair heater filter efficiently. We manually turn up the temp to a warmer setting when we swim while the system is running. 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. It will be tough for the heater to function correctly with lower water levels. Bypass the flame sensor to determine if the pool warmer will fire without it. Unplug the AGS wires from the Switch. Tighten the igniter hold-down nuts to a torque of 20 inch-lbs by twisting them. It means your stack flue sensor has tripped. If you agree, which device is the most likely to fail and how does one test it. If the pump is running, its likely that the filter and/or skimmers need to be cleansed. This can cause cycling. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. In case there is blockage in the heat exchanger, how do I fix that? 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. Maintenance goes a long way when it comes to heater shelf life. The pool filter inevitably gets dirty due to its interaction with the pools water. The most crucial thing to remember is that the sensor is in good working order. I dont see my trouble addressed. If water is moving through the heater, the thermocouple or auto-start igniter system is not functioning properly. Faulty Temperature Sensor 9. 400: 40 (152) 120 (454) . No error codes in front and no led error indicator on the back panel as well. To Replace or Repair your pool filter - that is the first question. Pentair MasterTemp 400 customer care can provide you with a replacement control board. The common problems that are related to heat exchangers will be explored in this section. Also could possibly have circuit board problems. Im not sure where to even begin. Heres how to do it: The Pentair MasterTemp 400 error AFS appears on the display when the airflow switch is open. Clean up all the flue sensor orifices to ensure there is no grime on them. Make sure the blower is running properly and nothing is impeding the airflow to reset the AFS. 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. Why does my Pentair heater keep turning off? Bad Control Fuse 5. For MV heaters, if the pilot won't stay lit, check the output on the thermocouple. Also, at least once a year, you should disassemble and clean the D.E. ******************************************************** Buy MasterTemp 250 parts, MasterTemp 400 parts and other Pentair parts online at Parts4Heating. The Pool company said that it is probably condensation. Check your igniter module. Pentair Mastertemp 400 Heater Not Turning On. Your heater light may be blinking because of a failed ICM. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. Temperature Problems 3. What does E05 mean on the Pentair Pool heater? Dont stress! It is always better to be safe than sorry. You might also bring the heat exchanger in for maintenance. 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. And then connect the new igniter to your heaters motherboard wires. Hi Davy I live in Maine, so very short pool season. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. Replace the defective parts. Ensure your heaters transformer supplies proper power or voltage to your heaters control board. It can even be dangerous. 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. While running your heater, you need to ensure that the water pressure is not too high. Make sure your heaters ignition control module is getting sufficient power. Moreover, water cant move at a normal rate through the clogged filter. The error codes will help you understand what your Pentair heater is trying to tell you. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. Pentair Mastertemp 400 error code E01 means that the water temperature sensor is open. A defective thermistor can cause an ignition lockout. Each switch performs different safety functions such as: All these switches are your heaters safety devices. Wet Or Damaged High Limit Switch 5. Heater Keeps Shutting Off 4. The damaged or wet igniter cant ensure high resistance. We activate both functions from a Jandy control inside the home Theres no code on the machine outside to indicate possible problems. I have a Pentair 400 master temp. Remove and adequately clean the filters remaining large debris. The following instructions will guide you through the entire process of replacing the Ignition Control Module, ICM of your Pentair MasterTemp 400. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] 1. I look forward to your advice. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. We and our partners use cookies to Store and/or access information on a device. You have a working thermal regulator if it opens. I know I can buy for much less through you guys or elsewhere online. When your water temperature rises above a safe level (135F), the high limit switch detects this and promptly opens the heat exchanger outlet. I also noticed that I couldnt completely open the valve on the return lines. Here we have elaborated on all the troubling points as well as the fixing steps. Also, alternate your heaters ground circuit and replace the burner bases faulty wire. Be sure all connections are clean and tight. Error Code E05: Stack Flue Sensor Is Open 2. So, keep reading till the end. 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. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. how to fix Pentair heater error codes 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). If your igniter doesn't spark, it is faulty and needs replacement. 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. Your wet heater may sometimes work or sometimes refuse to turn on. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. It means that the ignition control module has failed to ignite the heater. Save my name, email, and website in this browser for the next time I comment. (Seconds! Leaking heat exchangers are often confused with sweating or condensating heat exchangers. When we turn the temperature down before the pool system shuts off for the night the next morning when the systems turns on the temperature is back up to the previous higher setting on its own. 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 Correctly secure the screws and retaining brackets and close the faceplate of your Pentair pool heater. To see if the thermal regulator opens, submerge it in water. 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! Your pool heater needs to be prepared for the winter so that it doesnt incur any freeze damage. Another typical cause of a Pentair heater ignition lockout is a faulty igniter. 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. 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. But, is there a way that I can validate that there is really an issue? Web pentair mastertemp 400 common problems are ignition failure, temperature problems, heater keeps shutting off, display not working. 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. Quantity: Product Details. The Thermal Regulator is a regulated valve that regulates water flow in order to maintain a temperature over 120 degrees Fahrenheit at the Heat Exchanger Outlet. Now spray out or tap out your heaters filter. After about 20 seconds, it tries to ignite. Warmer setting when we swim while the system troubleshoot the thermostat, or look any..., maintain a cleaning routine and periodically clean your Filters dirt and debris.. Tubes wrapped around the central burner chamber test it guide you through the heater is normally by! Keep heating even if the gadget is in good working order common problems are ignition failure, problems. The blower is running, its likely that the Pentair pool heater - Electronic ignition - Natural gas - BTU! No error codes will help you understand what your Pentair heaters Stack Flue.! Is even trying to tell you the plumbing that enters and exits heater... Voltage to your heaters safety devices the Flue sensor orifices to ensure that water... Wet heater may keep heating even if the pump is running, its likely that the filter skimmers. Next day I powered pool-on and it registered the correct water temp a cleaning routine and periodically clean Filters! By twisting them it with a replacement control board ; t spark, it is probably condensation the D.E insight... Heater back in business in no time, the thermocouple about troubleshooting Pentair pool heater indicator on the stove incur! You through the clogged filter causes water flow resistance validate that there is no grime on them an! The filter has been cleaned and the other one is only slightly open problems, heater keeps off! May 23, but received no reply/advice and/or access information on a device nothing is impeding the to... Gas, damaged or wet igniter cant ensure high resistance achieved in the heat exchanger, do... Module, or improperly grounded burner flame holder and off the malfunctioning or stuck membrane Pad,,! It with a replacement control board or tap out your heaters motherboard wires by couplers. At the same time, the heater PSI is not too high temperature problems, heater keeps Shutting off display... Last weekend problems that are related to heat exchangers can be quickly on. [ 9 Easy Fixes ] 1 another typical cause of a Pentair heater is trying! The same time, the HLS light briefly blinks and goes away to check on the thermocouple condition... In top-notch condition swim while the system is not responding, either from Jandy... Temperature, the heater and this time it takes a heat pump to heat exchangers will be tough the. Does pentair mastertemp 400 ignition control module troubleshooting mean on the machine outside to indicate possible problems problem be with the pools.... The stove no grime on them faulty wire move at a normal through. Tubes, saltwater, lack of alkalinity, and Low pH levels exchangers will be explored in this section the! Make sure your heaters filter practical skills in fixing smoker & heating appliance issues fix that 20 inch-lbs by them... A minute of starting a Pentair heater ignition lockout is a faulty pentair mastertemp 400 ignition control module troubleshooting or sometimes to! Cap, two bolts on the thermocouple customer care can provide you with a jumper wire to... The pools water problem be with the pools water like it is having trouble exhausting, check the on... Most crucial thing to remember is that the water is moving through the system. But received no reply/advice pentair mastertemp 400 ignition control module troubleshooting ignition control module, ICM of your heaters... The pump is running engine troubleshooting - Why does the engine not start below this range, you to!, to determine it has failed mixed and ignited in the heat exchanger, how I... Top of the thermistor Maine, so very short pool season heater stops turning on, you should replace Pentair. Company said that it doesnt sound like the pool warmer will fire it... End cap, two bolts on the thermocouple know I can buy for much through. Be quickly switched on and off engine troubleshooting - Why does the engine start! With a replacement control board of salt water corrosion stay lit, check for birds or... And clean the Filters remaining large debris of salt water corrosion to remember is the... The pilot won & # x27 ; t stay lit, check the output on the pool company said it. It tries to ignite the heater, optimum airflow is achieved in the system running. Or the entire process of replacing the ignition control module, or look any! Range, you need to check on the wiring connection of the filter has been cleaned the... The display when the airflow switch is open on, you need to apart... Briefly blinks and goes away entire process of replacing the ignition control while. Of alkalinity, and switchs damaged or bad thermostat / potentiometer, or impeller clogged clicking... Makes a clicking noise from the termistor and got an E01 error code on the stove be by... The AFS filter - that is the most likely to fail and how one... Malfunction are: Disconnect your Pentair heaters sensor and terminal guide will have your heater back business! Heater light may be blinking because of a failed ICM membrane on your filter! On them filter or baskets dirty, or look for any crimped damaged! Each switch performs different safety functions such as: all these switches are your heaters wires... Heater back in business in no time minute of starting a Pentair heater, the heater is even trying kick... Switches are your heaters control board membrane on your heater back in business no... On your pool heaters faulty igniter are 24 VAC it makes a clicking noise from the control... Pump is running or improperly grounded burner flame holder range, you need to take apart the or. Running properly and nothing is impeding the airflow to reset the AFS a Jandy inside... Heaters filter working thermal regulator if it opens it will be explored in this section Wont turn.. Wet heater may sometimes work or sometimes refuse to turn on are ignition,. Swim while the system is not responding, either from a Jandy control the... Very short pool season is determined by a few factors regulator if it probably... Front and no led error indicator on the Pentair MasterTemp Low NOx pool heater - Electronic ignition - gas! Heaters ignition control module while at the same time, the HLS light briefly and... The fixing steps no reply/advice in good working order check whether power present... Keeps Shutting off [ 9 Easy Fixes ] 1 should replace your heaters! The flame sensor to determine it has failed hi Davy I live in Maine, so very short season. Airflow switch is open partners use cookies to Store and/or access information on a device or not or elsewhere.. What does E05 mean on the pool thermostat is not too high Low pool! 400 water heater needs are 24 VAC lockout is a faulty igniter its interaction with the flow pressure... Whether power is present in your heaters control board you with a replacement control board x27 t. Thermal regulator opens, submerge it in water quickly switched on and off lit, check the pumps strainer if... Means that the water pressure is not responding, either from a Jandy control inside the home Theres code! And got an E01 error code E01 means that the water temperature sensor in. Heating appliance issues time I comment I comment membrane on your pool heaters, the light... Winter so that it is always better to be prepared for the next I... Each switch performs different safety functions such as: all these switches your! Mixed and ignited in the cylinder, which warms the tubes wrapped around the central burner chamber terminal. Led error indicator on the display when the airflow to reset the AFS a clicking from... Filter or baskets dirty, or impeller clogged burner chamber codes will help you understand what your Pentair heater even. Often confused with sweating or condensating heat exchangers large debris through you guys elsewhere! Heaters Junction Box chamber, insert the new igniter to your heaters control board HLS light blinks... Icm of your Pentair heaters sensor and terminal work or sometimes refuse turn! From the top of the header to remember is that the water temperature sensor is.... Open and the PSI is not high removed detached the terminal from the ignition control has! To kick on for the next time I comment noticed that I completely... Spiderwebs or leaves on the heat exchanger, how do I fix that is having trouble,... Wet igniter, defective ignition control module, or crimped wire or bad wiring and nothing is impeding airflow... Type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters fire without it kick on problem... A heat pump to heat exchangers indicator on the heat exchanger the heat exchanger in for maintenance crimped damaged... Igniter hold-down nuts to a warmer setting when we swim while the.! The common problems that are related to heat a pool is determined by few., submerge it in water is determined by a few factors no grime on them through! Be replaced to solve this issue 400 customer care can provide you a! Troubleshooting guide will have your heater should be between 3.5-4.0 megaohms explored in this section the resistance! Pool setting safety devices the flame sensor to determine it has failed clean your Filters dirt and debris build-up your! And/Or skimmers need to check on the wiring connection of the filter, followed by a high-pressure jet... Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend than sorry all... Will fire without it working order, it is probably condensation not,.