Pentair MasterTemp 400 heating light flashing is caused when the heater is calling for heat but not igniting. . Heater Won't Turn On 6. Your heaters blower through the mixer draws the gas and air and forces these elements into the burner flame holder. The reasons for which the ICM goes bad are: The Ignition Control Module is in charge of your heaters ignition sequence and timing. The ignition module will not turn on unless the airflow switch and the other safety switches are closed. These Pentair MasterTemp 400 Problems relating to temperature are explored below. This error code means that the stack flue sensor is open. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? The sensor continuity or resistance should be between 3.5-4.0 megaohms. 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. Temperature Problems 3. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. 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). $4100 is not cheap. Pentair Mastertemp 400 has several safety switches, including the Air Flow Switch (AFS), Water Pressure Switch, and High Limit. The breaker is tripped as a result of this. If it is not working, contact customer service to send you a new control board. If needed. Ensure appropriate gas flow and pressure in your heater, Clean your heater and ICMs dirt and black residue. It was installed where one return line is completely open and the other one is only slightly open. The 2nd is after modified the 3-port valve to the return lines. 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. Normally you can smell a little gas when it kicks on but it does nothing. 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. Also, maintain a cleaning routine and periodically clean your Filters dirt and debris build-up. Sometimes for no reason, your Pentair Mastertemp 400 may stop turning on and act weird when it gets wet. Pentair Mastertemp 400 Igniter Troubleshooting and Replacement TDK DJMASK Solutions 121 subscribers Subscribe 172 Share 27K views 1 year ago Pool heater failing to ignite gas. Properly clean the sensor, heat exchanger, and coil. As of now, Im at the mercy of my pool company? Web pentair mastertemp 400,000 btu pool and spa natural gas heater from www.primepoolmarket.com. Replace the control boards faulty sub panel, overloaded thermal breaker, tripping circuit breaker, malfunctioning control board, and faulty transformer. Hello, I have a Pentair Mastertemp 400 that starts heating the spa but then shuts off and on every few minutes. However, the other causes of the control panels malfunction are: If your heater fails to turn on or ignite, first check whether your heaters control panel is getting power or not. Remove the wiring connection. When you try to turn on your wet heater, its igniter doesnt fire. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Pentair MasterTemp Max-E-Therm Ignition Control Module | 42001-0052S | 476223. This post covers the troubleshooting steps for Pentai MasterTemp heaters and the Sta-Rite Max-E-Therm natural gas and propane heaters. Accommodates: All MasterTemp 175/200/250/300400NA, MasterTemp 400LP, MasterTemp 400 ASME and MaterTemp 400 HD Model Heaters. If the automatic gas shutoff switch has tripped, you need to reset it. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? We recommend you dont try to perform repairs that you dont feel confident attempting. If the pump is running, its likely that the filter and/or skimmers need to be cleansed. Boiling in the heat exchanger can occur for a number of reasons. . Please help. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. It can even be dangerous. How to Reset Honeywell Thermostat? 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. Also, the sparking igniters working condition becomes vulnerable. The blower fan regulates the correct amount of exhaust and plays a large role in correct combustion. Why does my Pentair heater keep turning off? I dont see my trouble addressed. This problem needs to be fixed ASAP. When it used to work I would hear a big kaboom sound and now nothing. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. The ERR PS indication on the LCD shows that the heater is receiving insufficient water flow. 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. Some filters need back-washing. Where is the thermal regulator on a Pentair Pool heater? If the airflow isnt sufficient within this period, the heater will turn off on its own. The level of resistance will alter if there are cracks in the HSI that affect performance, but they may be too slight to perceive. There are some common temperature issues that users face. See page 16 and verify the gas regulator is -0.2 wc. The next day I powered pool-on and it registered the correct water temp. After just a few minutes on heating, the burners shut off, before the water is warm. The time it takes a heat pump to heat a pool is determined by a few factors. 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. Verify your heaters burner flame holders installation and make sure it is properly grounded. Be sure water flow is good (inspect internal bypass assy). No error codes in front and no led error indicator on the back panel as well. Manage Settings Condensation is normal when the water is cold. The Thermal Regulator is located behind the threaded plug in the Inlet/Outlet Manifold, between the inlet and outlet fittings. Heater is Pentair Mastertemp 200, installed May2017. Pentair water heaters have garnered a dependable reputation for being efficient. Quantity: $172.56. We are going to look over the common Pentair MasterTemp 400 error codes in this section. It makes a clicking noise from the Ignition Control Module while at the same time, the HLS light briefly blinks and goes away. Buy MasterTemp 250 parts, MasterTemp 400 parts and other Pentair parts online at Parts4Heating. 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. The typical cost of replacing an ignition control module is $292-$398. Just check that the action works, and that nothing looks broken, although that is hard to tell with the thermal regulator, which is like a radiator cap that opens at a temp set point. So far I have replaced the thermal regulator, igniter, thermistor and the bypass valve in the manifold. Verify that the igniter is dry and not damaged physically. The flame ignitor is firing but no gas flow. Replace in case necessary. SFS is stack flue sensor. How do you test an ignition control module? They will help you out with replacing your control board. 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. It usually drips inside of the heater, making people think that their heat exchanger is leaking, when its not. Digital connectivity with your pool's automation system and an advanced ignition control module with flame strength 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. Of course, there is also an internal bypass in most gas pool heaters. When your heater wont turn on, you probably have a blocked filter, tripped safety switches, or a defective control board. The following instructions will guide you through the entire process of replacing the Ignition Control Module, ICM of your Pentair MasterTemp 400. COPYRIGHT 2023. The wires and connectors connecting the legacy ICM should be disconnected. So be careful while tasting the transformers voltage. Here we have elaborated on all the troubling points as well as the fixing steps. We have a Pentair minimax 100 Dsi. This is a very rewarding learning experience for me. Step 3: Drain the heater by removing the Drain Plug from under the Manifold. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. Also, your heater displays the error code ERR IGN. Heaterfixlab.com is a participant in Google Adsense and Ezoic Ad Network. You need to examine which part is malfunctioning. Heres how to do it: The Pentair MasterTemp 400 error AFS appears on the display when the airflow switch is open. 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. Remove and adequately clean the filters remaining large debris. Once clean, put the filter back together. Web pentair mastertemp . Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. Clean up all the flue sensor orifices to ensure there is no grime on them. The exhaust pipe is leaking water. These issues hinder your pool heaters easy operation, and the unit stops turning on. If not, replace it. 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. Our methods will help you solve Pentair Mastertemp 250, 400, and 125 error codes as well as other Mastertemp models' error codes. Pentair Heat Exchanger Troubleshooting: . Im so glad I didnt have to buy additional parts. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. We have a new Pentair Mastertemp 400. Free shipping for many products! We are always here to help you. Remove the AGS Switch from the Manifold by unscrewing it. So I thought that was causing the problem. When your Pentair Pool heater doesnt start, you should check these safety switches and replace the tripping one. 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