Could the problem be with the flow or pressure sensors? When I hold it, the temp slowly went up to 90. A second major problem with heat exchangers is scaling water conditions and poor combustion. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. Clean up all the flue sensor orifices to ensure there is no grime on them. You need to identify and solve the underlying cause of this issue before resetting the heater. It worked well for the last 3 days. When this happens, the front panel buttons will stop working. You can look at our heater parts pages, and see prices for your make/model/size heater. Faulty Temperature Sensor 9. Even the new MasterTemp above ground pool heater has the same design, and the same troubleshooting procedure. Heater Turns On Automatically 7. Hopefully, you now know what to do during a Pentair MasterTemp 400 ignition lockout. Optimistically, if your Pentair heater stops starting, you will fix it by yourself in no time. 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. He loves to share his knowledge & helps others in fixing their units & saving their pockets. See if the igniter fires when you turn on the heater. Pentair MasterTemp 400 Common Problems [15 Easy Fixes] 1. From the Max-E-Therm heater, disconnect the system. Is this normal? Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. On your pool heaters Junction Box chamber, insert the new ICM. Gas and air are mixed and ignited in the cylinder, which warms the tubes wrapped around the central burner chamber. Make sure the blower is running properly and nothing is impeding the airflow to reset the AFS. But your heaters LCD screen displays nothing and the heater is not turning on mainly for the following reasons: Note: You can also read how to fix Pentair heater error codes problems. COPYRIGHT 2023. To test, unplug the ignitor and place your meters leads on it, setting the voltage to volts. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. You need to take apart the filter cover and get the elements out. I only found 1 small stone stuck inside where the bypass is. Carefully detach the HSI from the unit. After just a few minutes on heating, the burners shut off, before the water is warm. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. Flame Won't Stay Lit 8. Why does my Pentair heater keep turning off? If not, replace it. A pool technician replaced 3 sensors however it still does not work. This is a very rewarding learning experience for me. Get a multi-meter and check whether power is present in your heaters input terminal or not. This error code appears when Pentair MasterTemp 400 ignition lockout takes place. When exhaust temperatures are above 350 degrees, this occurs. The reading should be 50-500 Ohm at room temperature. Error Code E05: Stack Flue Sensor Is Open 2. Its a fun combination of plumbing, wiring and gas. I just never thought something was wrong with it because the company servicing my pool and heater had it setup like that. Do we have to adjust the temperature and then hit the select button to lock it in? Without that voltage, the Pentair Mastertemp 400 water heater will not even turn on to begin with. Step 4: Take the switch cover off. We have a Pentair 300 for both spa and pool heating. Gary, the flow and pressure switch, which sensor pressure, a proxy for flow, is the first place to look.Make sure the pump is pushing as much water as possible, into the heater. The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. A thermostatically activated valve is the thermal regulator. Follow the actions outlined below to replace it. There are some common temperature issues that users face. So you could save $1000 by buying online and having a company install. Step 3: To test, look for resistance across the HSI scale. This problem can be resolved by servicing the pump or filter. 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). . Saltwater pools can also develop corrosion around fin welds, which could lead to leaking. Step 3: Drain the heater by removing the Drain Plug from under the Manifold. He has practical skills in fixing smoker & heating appliance issues. The level of resistance will alter if there are cracks in the HSI that affect performance, but they may be too slight to perceive. Then i see a R9 code. Pentair Mastertemp 400 Won't Turn On [10 Troubleshooting Tips] 1. Also, your heater displays the error code ERR IGN. Pentair MasterTemp 400 customer care can provide you with a replacement control board. We and our partners use data for Personalised ads and content, ad and content measurement, audience insights and product development. 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. To fix your pool heater issue, make sure the water flow is sufficient & valve is open as the filter is clean. Moreover, water cant move at a normal rate through the clogged filter. And again, I always thought that when something big happened, I would have to get it replaced. You can clean your own pool filter easily. 1. The thermal regulator should be in fine working condition. Is enough water getting into the heater? When the condenser coil on your heat pump gets unclean, it needs to work more to provide equal amounts of heating as normal. Labor costs are projected to be between $57 and $71 per hour, with parts costing between $235 and $327 per hour. Manage Settings It makes a clicking noise from the Ignition Control Module while at the same time, the HLS light briefly blinks and goes away. Did you replace both Hi Limit Switches? If the resistance is zero, the stack flue sensor needs to be replaced. Also, the sparking igniters working condition becomes vulnerable. Its possible that overtightening the HSI base will cause it to break. 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. I replaced the HLS twice to no avail. Still have the power light lit but no other lights are lit. When the heater tries but fails to start, it recycles. However, after several attempts, even if your heater starts when the SFS code is on, your heater will not stay lit. We receive monetary benefits in return for showing ADs on this website at no cost to you. I replaced the thermistor and still have the same problem. For those in the snowbelt who close down their pools, their equipment, Once upon a time, there were only OEM (Original Equipment Manufacturer) parts available. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. The sealed heat exchanger surrounds the burner flame holder. 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! Step 3: Disconnect the heaters previous ICM unit. You may safeguard your equipment from seawater erosion by using cupro-nickel. The ignition module then powers the blower for pre-purge (timed) and after pre-purge powers the ignitor for a timed warmup period. Verify that the igniter is dry and not damaged physically. Pentair MasterTemp 400 Flameholder Kit | 77707-0204. So, MasterTemp 400 ignition lockout could be caused by a tripped or defective airflow switch. However, the faulty ICM fails to ignite your heater. So regularly clean your pool filter to avoid a clog. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. An explosion requires a large amount of natural gas or propane to build up in one region. 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). we have a Pentair mastertemp 400K; We just had it installed last fall. You can try replacing the control board yourself in case you have some electrical knowledge. In short the system keeps automatically turning the temp up on its own. 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! Step 4: Insert the new ICM into the Junction Box chamber of the heater. The consent submitted will only be used for data processing originating from this website. Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. It is a sfs code, but with no e05 error code. Wash them out very carefully with a hose. Turn on your heater and set the desired temperature. Wet Heater 6. There are four of them. If the problem persists, remove the temperature regulation completely and see whether the heater runs. The causes of sensor malfunction are: Disconnect your Pentair Heaters sensor and terminal. It should be replaced. Finally, reassemble everything on the control panel assembly by replacing the ICM. Make sure your heaters ignition control module is getting sufficient power. Alerts pushed to a smart device to keep you updated on heater performance and real-time status. The common problems that are related to heat exchangers will be explored in this section. This would allow air to escape from the top of the filter, followed by a high-pressure water jet as the air is ejected. 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. Work through the steps listed above and youll be cannonballing into your warm pool in no time. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. Noise 13. Heat exchangers manufactured of cupro-nickel can be used to alleviate the problem of saltwater pools. 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. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. Pentair MasterTemp Electrical Troubleshooting: . Replace the fuse if blown. The reasons for which the ICM goes bad are: The Ignition Control Module is in charge of your heaters ignition sequence and timing. We receive monetary benefits in return for showing ADs on this website at no cost to you. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. Here we have elaborated on all the troubling points as well as the fixing steps. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. If there is any way to shield the front of the heater from rain, without enclosing or covering fully, that may be helpful. 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. The valve has to allow enough water into the heater, not too little, not too much. Troubleshooting Guides; Product Manuals; POPULAR . Malfunctioning Blower 9. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. 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. 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]. #476223 Pentair MasterTemp 400 Pool Heater, Ignition Module. When you are trying to turn on your heater, the fuse can blow immediately. So be careful while tasting the transformers voltage. Replace everything in its proper location. Step 1: Remove the heater's left side panel. I have a Pentair 400 master temp. 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. Pentair 77707-0001 Manifold Bypass Valve . Heater is Pentair Mastertemp 200, installed May2017. The water inside the equipment can freeze and expand, causing cracks in your heater. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. Copyright 2022 In The Swim. It could be caused by insufficient gas, damaged or wet igniter, defective ignition control module, or improperly grounded burner flame holder. The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. This problem has a very basic and straightforward fix. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). 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? $354.18. Heater Won't Turn On 6. Pentair MasterTemp 400 heating light flashing is caused when the heater is calling for heat but not igniting. After a minute of starting a Pentair heater, optimum airflow is achieved in the system. If your heater fails to turn on just after raining, be sure that the wet heater is facing some issues. Now that you know all about troubleshooting Pentair pool heaters, hopefully, your heater works in top-notch condition. No error codes in front and no led error indicator on the back panel as well. In case the issue persists, replace the control board. Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. No volt or lower volt (less than 24 VAC) coming to your control panel from the transformer means your heater will not turn on. You will need to reset your heater to get it out of the lockout. Product Details. Can you give some thought? After about 20 seconds, it tries to ignite. The wiring diagram is given below for your reference. When replacing the ICM, connect the wires according to the installation manual. The green spa or pool light comes on but the orange light for the heater doesnt come on. It is old and a bit rusty and loud. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Continue with Recommended Cookies. Bad Control Fuse 5. A sparking igniter is in good working condition. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. Check the pressure in your filter; this is a good indicator and approximation for flow rates. Thanks for your help! Of course, there is also an internal bypass in most gas pool heaters. Then replace the faulty ICM. If your igniter doesn't spark, it is faulty and needs replacement. Some of our partners may process your data as a part of their legitimate business interest without asking for consent. Get a new igniter, the same as the previous igniters part number. Ascertain that the blower is securely fastened in its location. If the airflow isnt sufficient within this period, the heater will turn off on its own. Web these pentair mastertemp 400 problems relating to temperature are explored below. 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. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. $294.34. 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Move at a normal rate through the steps listed above and youll be cannonballing into your warm in. The Drain Plug from under the manifold of this issue before resetting heater... Content measurement, audience insights and product development so you could save 1000!
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