Replace it. I also noticed that the flap wasnt opening even at 3450rpm and 20-25psi. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. filter should be backwashed. },
The MasterTemp has a max setting of 104. Im not sure where to even begin. Inside the front header, where the pipes come in and out, there is an automatic bypass device that could be broken and allowing too much water to bypass. We have a Pentair minimax 100 Dsi. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. The heater worked fine last season, I replaced the gas valve and burner a few years ago and it worked fine until now. Submit a Support Request. The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. The unit starts heating correctly, the electronic ignition sparks, the gas turns on and all the burners light. If the thermistor tests are bad or faulty, replace them with a new one. Operating Control Panel. Mastertemp 400 Safety Features. A thermistor is mainly regarded as a temperature sensor. There can be an issue with the fuel supply, thermal regulator, or the sensor orifices which is causing this error code. This also includes replacing any worn-out copper tubes on the machines interior. Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. Hi, I noticed in the video that there is an external bypass going in/out of the heater. Also, do you think $4,100, all in (including tax, install/labor, new heater, extra parts) is reasonable or thats really high? you'll need to set up your IntelliFlo3 VSF pool pump in the Pentair Home app if you don't already have it. Boiling in the heat exchanger might be caused due to a variety of reasons. Heat pump troubleshooting guide for Pentair pool heaters. Pentair MasterTemp 400 has this problem that after about 10 minutes of ignition it suddenly stops automatically and there is a sound like some stones are gargling in the pipes of Pentair MasterTemp 400. The heater does not ignite. Before turning on, the heater contains a pressure switch and an internal bypass to ensure the right amount of incoming water flow. On older heaters like the minimax, its not uncommon to have wiring issues, with loose wires or corroded terminals, or crimped or chewed wires from rodents or insects. 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. The heater should be set at 104 and let the automation do the rest. If it fires off everything works fine a few minutes then shuts off.Ideas?Filter is clean. Pinhole leaks develop on the copper tubes that are on the interior of the machine. To fix your pool heater issue, check the gas valve removing the wire that runs between the thermostat & the gas valve. Step 4: Now take the new ICM and put it in the Junction Box chamber. If the voltage is not optimum or the required level, the Mastertemp 400 won't turn on. Product Registration. I have replaced the Stack sensor thinking that it was the problem. Boiling in the heat exchanger can occur for a number of reasons. Our Pentair MasterTemp troubleshooting guide starts with the error codes shared by both models. I shouldve tried harder to learn how the pool works. Heater will not turn off and a 5F code with a flashing 1. 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. But now, if you have any questions, leave a comment below. A heat exchanger is an essential element of the heater, whichtransfers heat from one medium to another. Then, replace the faulty heater part or parts. Check the wire going to the sensor and the sensor itself. Adding MA is a normal and expected process to help keep it in check. Of course, there is also an internal bypass in most gas pool heaters. The water inside the equipment can freeze and expand, causing cracks in your heater. The Mastertemp 400 requires a voltage of 24 VAC. If not, replace it. 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. I designed my home myself with the help of my beloved wife. 4. Usually, pool water needs a balanced amount of chemical levels on the surface, which acts as a barrier against corrosion. Might charge under $500 to install. If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Frank. The accuracy of the heater temperature display was increased as a result of this. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. 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 optimum level of the voltage supply is between 208 to 260 volts. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. Turn off power to heater for about 5 seconds, and turn back on. In case there is blockage in the heat exchanger, how do I fix that? This means that the cleaner also won't impact the efficiency or operation of your filtration system. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
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Contact customer service and tell them about the issue. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. Product HIN / Code Requirements / Safety Warning. Unscrew them to take the ICM off the heater. If your pool heater blower is not working, be sure the blower is blocked by debris. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. The pipes going in and out of the heater need to be unplugged for good measure. 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. I let it run and the temp slowly went up from 74 to 77 in just an hour without stopping. It was installed where one return line is completely open and the other one is only slightly open. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. Turn off the Pentair heater; . Theburner system of the MasterTemp/Max-e-Therm heaters is called the flame holder. Verify that the igniter is dry and not damaged physically. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide"
Check for wet or damaged igniter with low resistance to ground. "wordCount": "693",
The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. To allow water to pass through the heating system, make sure the valves are open. If damaged, broken, or open, then replace it. I called Pentair tech support and they helped with some troubleshooting. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. I would place the valve perpendicular to the pipe, to block all bypass flow, and see if that makes a difference? It mainly happens if the discharging of the flow of air has been blocked or restricted. 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. Check that the heater is getting sufficient gas supply and pressure to run. Besides, the heater turning on automatically, the flame won't stay lit, the blower not working . Test your control panel with a multimeter. Pentair Mastertemp 400 Displaying Wrong Temperature, 3. 13 years ago. Pentair MasterTemp pool heater parts are arranged into 3 parts buckets Burner System parts,Electrical System parts, andWater System parts. Check out the other heating elements. This should not be a cause for concern, though. Pool heater failing to ignite gas. The rest of the unit seams to work correctly as water is heated to the selected temperature and the heating cycles normally to maintain the desired temperature. So in this case, you need to prevent the damage. After about 30-45 seconds, the heating green light goes off and it shows service heater and the panel http://www.haywardnet.com/pdfs/uhs-heater-troubleshooting-guide.pdf Page 37. If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Adjust the chemical level of the pool water. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. But, is there a way that I can validate that there is really an issue? Rust or red spiders can clog these up. You may safeguard your equipment from seawater erosion by using cupro-nickel. Safety Controls. Along with that, check the water flow to the heater. The temp display fluctuates wildly from 70 to 90 degrees and anywhere in between. Enquire about how much voltage is being supplied to the heat pump. If the thermistor is in good condition, then replace the circuit board. Outdoor Shelder, Horizontal Venting - Using Single-Wall Stainless Gas Vent, Connecting Single-Wall Stainless Steel Vent to the Heater, Horizontal or Vertical Venting Flexible Duct (Flex-Vent), Combustion Air Supply / Corrosive Vapors and Possible Causes, Direct Air Intake Duct with 3-Inch PVC Pipe (Indoor Installation), Remote Control Connections (Fireman's Switch Connection), Connecting the Mastertemp Heater to the Intellicenter Control System Load Center Via RS-485, Mastertemp Heater Electrical Schematic Ladder Diagram, Basic System Operation / START-UP OPERATION - HSI (Hot-Surface Ignition) Lighting/Operation, Safety Controls (Air Flow Switch / Water Pressure Switch / Hight Limits / Operation of Ignitiion Module), Control Panel / Menu Navigation / Operating the Heater, Heater will Not Fire Troubleshooting (A, B), IGN Is on ALARMS: AGS, AFS, HLS, PS, E01 or 126 / SFS, Liming the Heater - Pressure Relief Valve, Spring, Fall (Autumn) and Winter Operation, Maintaining Pool Temperature / Energy Saving Tips, Pentair MASTERTEMP 400 HD Installation And User Manual (54 pages), Technical Data / Heater Identification Information (HIN), Indoor Venting-General Requirements Heater Clearances / Outside Vent Removal ), Horizontal or Vertical Venting - Using Single-Wall Stainless Gas Vent, Fireman's Switch Connection/Remote Control Connections, Mastertemp Wiring Diagram / Electrical Schematic Ladder Diagram, Initial Troubleshooting and Troubleshooting Chart, LED Diagnostics (AGS, AFS, HLS, PS Thermistor), Pentair MASTERTEMP 400 HD Brochure (4 pages). Copyright 2022 In The Swim. A tough, rustproof composite exterior handles the heat and weathers the elements. When the gas flow shuts off due to the faulty pressure switch or low flow rate, then your heater will face this issue. It cycles for a bit then I hear a click either it fires off or it doesnt. Pentair Mastertemp 400 common problems include displaying the wrong temperature, low water circulation, leaking water, water scaling, and corroded heat exchanger. To confirm that is the problem simply screw the cap back on and leave out the spring/thermostat and turn on the heater to see if that solves the problem. Without a working control panel, your heater is no good. Close the external bypass if open. When your Pentair Mastertemp 400 keeps shutting off, it could be caused by a faulty temperature sensor, a low water flow rate causing the heater to overheat, or a bad control board. Without gas, the heater won't operate. Contractor's Assistant: . In case the burner is broken, remove it and replace it with a new one. POOL AND SPA HEATER (FOR OUTDOOR USE ONLY), Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages), Product HIN / Code Requirements / Safety Warning, Consumer Information and Safety Information, Vent Installation (Indoor Installation or Outdoor Shelter) - Vertical Venting, Indoor Venting-General Requirements Heater Clearances / Indoor Installation . The heater is a 400k model 460736 installed about 2006. Safe operation is assured through a series of features . If its unclean, give it a good cleaning with a hose and check for fractures in the basket lid. The consent submitted will only be used for data processing originating from this website. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. SFS is stack flue sensor. It does this over and over . Replace the fuse if blown. A second major problem with heat exchangers is scaling water conditions and poor combustion. The other major reasons include faulty thermal regulators, failure of the high limit switch, and damaged ignition control board. cause the heater's pressure switch to turn OFF. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. We and our partners use cookies to Store and/or access information on a device. Make sure that the filter of the heater is cleaned as well. Following this article, you can get solutions to some of these issues. Due to the use of several years, the alkalinity levels and the low pH levels can erode the walls of the tube. UPDATE. A sparking igniter is in good working condition. Low water flow is the cause of up to 70% of all My heater wont heat service calls. So, was going to need to be replaced at some point. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); This site uses Akismet to reduce spam. 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