It is also advised to change the entire system if required. But heat exchangers are expensive. "keywords": "",
Top 3 pool pump problems, of course! like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. Frank. It continuously bounces between pool and spa. In case the burner is broken, remove it and replace it with a new one. Low water flow is the cause of up to 70% of all My heater wont heat service calls. When problem started happening last early last year, one of the thing I did was replaced a broken Jandy check valve between the heater and chlorinator. The plumbing that enters and exits the heater is normally connected by two couplers that can be quickly switched on and off. The PS is red, and led6 is red. There is no error code or red service heater light on. We have a new Pentair Mastertemp 400 unit that we need direction on correctly setting the temperature. The thermal regulator can be stuck closed. This error code should not be shown on your Pentair heater at this point. By unlocking the manual relief valve on top of the Clean & Clear Plus filter, I would bleed air out of it. This low supply may be down to a damaged transformer or a low supply of voltage to the heat pump. The heater does not ignite. Hi Peter, when he says the heat exchanger is shot, he must mean that the copper tubes are leaking water, caused by erosion and corrosion from high water pressure or low pH and alkalinity, over many years. The heater should be set at 104 and let the automation do the rest. filter should be backwashed. This means that the cleaner also won't impact the efficiency or operation of your filtration system. So I thought that was causing the problem. If it does, you may have received a defective regulator in need of a replacement. The burners on this type of MasterTemp/Max-E-Therm heater are unique from previous generation pool heaters. "@type": "ImageObject",
UPDATE. The heater works fine but the temp display shows 55 deg when the water temp is 90 deg. As an Amazon Associate I Earn From Qualifying Purchases. Replace if you find any chemical or sanitizer damage there. Heater will Not Fire Troubleshooting. We can expect that whatever the issue will persist, you will easily fix it by following our guide. ******************************************************** Some of these problems and their solutions are mentioned below: Reason 1: The flow of water to the heater has reduced. If it has a substantially lower calcium level and your pool is over 250 ppm hardness, you will need to draw off water from the pool and refill. The same is true for the StaRite Maxetherm heaters.
It has a big role in controlling the heater operation. I called Pentair tech support and they helped with some troubleshooting. Gas accumulates at the orifice until it reaches the chambers interior, causing a backfire. 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. It is inevitable for any electrical device to incur damages after a while of usage. Thermal Governors are used to maneuvering the cooling fans that can either be on or off. 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. Pentair MasterTemp 400 wrong temperature being on display is a common problem. The controls and circuit boards for the Max-E-Therm and the MasterTemp are fairly identical. Check out the power of the transformer whether its all good or not. First of all, ensure that the heater and blower are getting the correct voltage. Its a fun combination of plumbing, wiring and gas. Reason 3: Bypass Valve has remained opened. There might also be damages to the suction air leaks. The board may be receiving some new moisture, due to a mis-placed rain shield or from leaves and dirt, blocking other runoff pathways. Here are the video links. Call Us. Product HIN / Code Requirements / Safety Warning. Verify that the igniter is dry and not damaged physically. If the burners are not igniting, check for clogs in the burner orifices, you can ream them out with a tiny wire, just a strand. This should not be a cause for concern, though. I run the heater and this time it did something different. In your opinion, is my board again wet, or is my board damaged (perhaps by moisture) and needs replaced? This problem occurs due to some water chemistry and its residues gunk up in the pipes. The thermal regulator should be in fine working condition. I just didnt trust them anymore. What else can impact the temp reading? Thermal Governors stop working primarily due to years of usage. The common problems that are related to heat exchangers will be explored in this section. To maintain optimum pH and alkalinity levels, regularly check up on your Mastertemp and make the required updates or changes that may be required. 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. Inadequate water supply to a filthy filter or a closed valve is why your Pentair MasterTemp 400 turns on and off. The water circulating through the copper heat exchanger tubes absorbs the heat, and exits the heater a few degrees warmer than when it entered. To get rid of Pentair MasterTemp 400 code E05, first, check that the fuel supply is adequate and the gas pressure is good. Replace the defective heat exchanger if needed. 38. Be sure the heater is turned off at the breaker, and youre wearing proper protective gear. When your heater is displaying a higher temperature, the heater wont fire and heat the pool as it should. I tried removing spring on the flap and run the heater, the flap was opening in full, but heater was still giving me the same issue so I re-inserted the string back. }
. Cupro Nickelheat exchangers can be used for much greater resistance to the effects of salt water corrosion. Do this test with the water still running. The burner is located in the center of the combustion chamber, wrapped by the circular copper heat exchanger tubes. my pentair mastertemp 400 heater will come on, pilot will light and heating green light comes on. It may not display this or other websites correctly. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. Have a BRAND new Pentair Mastertemp 400. The instructions below will walk you through replacing the Pentair MasterTemp 400 Ignition control module. The exhaust pipe is leaking water. Replace the bad igniter and defective flame sensor from your heater. Thanks for your help. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. . In case there is blockage in the heat exchanger, how do I fix that? Pentair Mastertemp 400 Displaying Wrong Temperature, 3. Please help. "wordCount": "693",
No mater how many times I press the Heater Off button, the heater does not go off and the display panel does not go blank. 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. Water Flow Problem. Is this normal? Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. You might also bring the heat exchanger in for maintenance. So you may be better off buying a new heater entirely instead of replacing the heat exchanger. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. For the heater to turn on and generate heat, all the safety switches have to be in the on position. The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. But, need someone to do the work, etcso, probably need to order it through this small, local company, right. Traveler, food lover, interior designer, and blogger. This kind of damage can be very costly. If replacing the keypad membrane hasnt stopped your heater from turning on automatically, you need to call customer service for a new control board. Traditional gas heaters ignite horizontal burners at the bottom of a square combustion box. If the filter isnt the issue, a faulty safety switch is next to check. Hi Hugh, is it a Hayward heater? What is the function of the High Limit Switch on Pentair? Step 2: Disconnect the system from the Max-E-Therm heater. Check out the pressure sensor, thermal regulator, or high limit switch. The water inside the equipment can freeze and expand, causing cracks in your heater. The possibility of water chemistry issues like calcium buildup in the heat exchanger, low water flow, and faulty pressure switch can create strange sounds in your heater.To solve this sound issue, check through the below solutions. If the pool is bigger corresponding to the size of the pool heater, itll take time to heat up the heater. Fireplacehubs.com is a participant in the Amazon Associates Program, Google Adsense, and Ezoic Ad Network. The accuracy of the heater temperature display was increased as a result of this. The leak can be verified by you, if you lift the lid and inspect inside. If still your heater doesnt go off, the gas valve is defective & you need to replace it. This problem can be resolved by servicing the pump or filter. Make sure that the air coil is being sprinkled upon during cooling. Inspect the blower and clean out the stuck debris of the element. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Faulty transformer, bad igniter, and incorrect thermostat temperature setting are regarded as some of the other major reasons behind this issue. SFS is stack flue sensor. Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. Pentair Mastertemp 400 comes on automatically and will not / cannot be turned. Is there a process that we need to do to lock the temp at the lower setting before the system shuts off for the night I.e., when we lower the temp do we need to touch the select button? You will need to repair or replace damaged parts. To get to the burner inside the heater, open it up. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. Worked for 1 weekend, now won't fire up. "height": "219",
Normally you can smell a little gas when it kicks on but it does nothing. Can you give some thought? Is there a bypass valve open? Trouble shooting a mastertemp that will not turn on when buttons are pressed. First, power cycle the heater to erase all the unwanted factors. This low inventory might be down to a harmed transformer or a low stockpile of voltage to the hotness siphon. Rust or red spiders can clog these up. Would this be caused by too high of a gas/air mixture? Your email address will not be published. All Rights Reserved. 34. Replace all the defective ones. Finally, set the thermostat temperature correctly. The output of the transformer should be between 24 to 28 volts. There is nothing, but you have to replace it to fix the leaking issue. Burner pulsates or surges, especially on ignition. Check through it. The solution to your heater issue is given in your previous comment. Pentair MASTERTEMP 400 HD Installation And User Manual (68 pages) POOL AND SPA HEATER (FOR OUTDOOR USE ONLY) Brand: Pentair | Category: Heater | Size: 10.86 MB. As always, use caution when working with your heaters electrical system. I do not see a procedure for not being able to use the OFF button. Check out the fuel level as well. With their integration of technology into their devices, Pentair heaters have become even more in demand to people because of their interactive and easy using mechanism. Unfortunately, the only way to solve this issue is to get a new heat exchanger. Check to see if anything is stuck on the stove. If no ignition, I turn off, wait, then re ask for heater. Additional Resources. 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). Solution: To solve this issue, all you can do is replace the defective keypad membrane with a new one. Is enough water getting into the heater? 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