As an Amazon Associate I Earn From Qualifying Purchases. "keywords": "",
You might also bring the heat exchanger in for maintenance. 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). Continue with Recommended Cookies. 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. Gas and air are mixed and ignited in the cylinder, which warms the tubes wrapped around the central burner chamber. Adding MA is a normal and expected process to help keep it in check. And if the heayer shuts off, the gas valve is ok. Then check the control board & fix it. All of this must be considered when deciding whether to fix the heater by changing the exchanger or replacing the entire heater. I run the heater and this time it did something different. Clean the water filter and pump basket to eliminate the water flow. "publisher": {
Then i see a R9 code. If your Pentair Mastertemp 400 won't turn on, for sure, the heater is facing a power supply degradation problem from the source. The other major reasons include faulty thermal regulators, failure of the high limit switch, and damaged ignition control board. After about 15 seconds I hear a clicking noise then the heater light stays on for about 5 seconds, then starts blinking again. The optimum level of the voltage supply is between 208 to 260 volts. Frequently Asked Questions. To get to the burner inside the heater, open it up. I do not have it connected to a spa. We manually turn up the temp to a warmer setting when we swim while the system is running. Other major reasons include: . When the amount of scaling is very low, it might often be beneficial. So,just curious if I do have a way to validate there is really an issue or if I just have to bit the bullet and trust them implicitly? All Right Reserved by HeaterFixLab. Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. Test your fill water too. If not, replace it. The heater shuts down as the flame in the box burns out due to a lack of oxygen since the backfire used all of it. Possible Cause: Pilot light isn't lit. when temp is down it kicks on as soon as it goes over setpoint it shuts off. An example of data being processed may be a unique identifier stored in a cookie. I think its a bit on the high side. On the thermostat, set the correct temperature. 4. "datePublished": "1/8/2019",
It could also be just general humidity, and a very moist/humid area, not so good for circuitry. No code is present. They usually cannot be fixed. Remove the hard obstacle near the sensor. "primaryImageOfPage": {
Safe operation is assured through a series of features . MasterTemp is engineered for super-quiet operation and won't intrude on your poolside leisure time. Make sure to maintain the device properly. If no ignition, I turn off, wait, then re ask for heater. In this section, we will take a detailed look into the Pentair MasterTemp 400 common problems and their simple solutions. A clogged filter or pump basket can build resistance to water flow to a degree that your heater cant operate as usual. I only own a pool. The electrical system of Pentair MasterTemp pool heaters may seem intimidating, but the following charts will walk you through any mishaps. This issue should be checked ASAP. I then reconnected the terminal on the new terminstor and got 75 (I guess thats the water temp). 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. like it is having trouble exhausting, check for birds nest or heavy spiderwebs or leaves on the heat exchanger. Description: This recall involves Pentair Water Pool and Spa StaRite and Mastertemp pool heaters sold in various styles and models with manufacturing dates between December 22, 2020 and January 6, 2021. "author": {
Check your Mastertemp on a regular basis to ensure optimal pH and alkalinity levels, and make any necessary adjustments or modifications. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power . February 9, 2023 by William. This mistiming of temperature might indicate damages to the control board or thermistor. A sparking igniter is in good working condition. Boiling in the heat exchanger can occur for a number of reasons. SOURCE: Pentair MasterTemp 400 Heater Will run fine for. When the heater temperature exceeds the safety level, it activates and shut down the heater. we have a Pentair mastertemp 400K; We just had it installed last fall. Pentair Mastertemp 400 Heater Not Turning On, 2. If so where is it located and how much does it cost. Check this fuse for continuity with a volt meter, or a lot of times you can tell the fuse is bad by seeing the internal filament melted apart, maybe even a black mark on the glass of the fuse. Why Fiberglass Windows Are Not Popular And Are They Worth It? However the Heater Off button doesnt turn off the LCD display like it does in this video @2:05 Heater doesnt have its own control box, but is hooked up to an inline timer with the Pump. 36. What's better thanTop 5 pool pump problems? These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. "url": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
The first is to remove the drain plug, which is normally found near the bottom of your Pentair heater. Check the pH of the water and make sure it is balanced. Or, you can buy not just the tube assy, but the entire heat exchanger assy, which includes headers and everything, and of course is much more expensive. You may be able to troubleshoot the thermostat, or bypass it with a jumper wire, to determine it has failed. Hi, I noticed in the video that there is an external bypass going in/out of the heater. COPYRIGHT 2023. Dont stress! Remove the old thermal governor and replace it with a new one. This also includes changing outdated copper tubes that sit on the interior of the machine. Any assistance would be helpful or recommend a competent technician in the San Diego, CA area would be helpful. Clean up all the flue sensor orifices to ensure there is no grime on them. Heater will not turn off and a 5F code with a flashing 1. You need to see the actual temp on the heater. See if the igniter fires when you turn on the heater. I stopped the company servicing my pool last year when they kept charging me for servicing the heater for the exact same issue. I have a Pentair Master Temp 300 Pool Heater that is 6 years old. Your email address will not be published. It continuously bounces between pool and spa. Copyright 2022 In The Swim. Hopefully, you will . Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. You will get much more visibility by. Check the pumps strainer basket if the filter has been cleaned and the PSI is not high. 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. "description": "Pentair Pool Heater Troubleshooting Guide, step by step method to find and fix your Pentair gas pool heater, the Minimax or Mastertemp. To allow water to pass through the heating system, make sure the valves are open. There are four of them. Reason 4: Thermal Governor has got stuck and is not opening. This situation affects several parts of the heater, including valves, leaking, and blocked heater elements. I look forward to your advice. Fault Condition: HIGH WATER TEMP Alarm: Water . Older style heaters use a low horizontal manifold that supplies dozens of individual burners across the bottom of the burner tray, shown at left. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Maybe that is it? Other reasons why the heater is not turning on include: Faulty igniter "caption": "In The Swim Blog"
If the issue is related to a high limit switch, examine the fact by ba bypassing the switch. Traveler, food lover, interior designer, and blogger. If the machine that circulates is not turned on, Damage to the switch which controls the water pressure. Check the wire going to the sensor and the sensor itself. "@type": "ImageObject",
The main function of the HLS on any pool heater is regulating the water temperature of the unit. Be sure all connections are clean and tight. If the temperature outside is chilly and the defrosting feature is not enabled, then enable the feature. I think our heat exchanger corroded last summer. Already known as being dependable and efficient, MasterTemp now offers smart features and an optional energy-saving Smart Bypass Valve Kit to help you ensure your pool is ready whenever you are. Pentair Mastertemp 400 Cycles On And Off, 11. Thermal Governors stop working primarily due to years of usage. . You could also take the heat exchanger for servicing. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. All Right Reserved by FIREPLACEHUBS. Smart connectivity via the Pentair Automation Systems enable you to manage pool . If not, replace it. Solution: Take the bypass valve out for servicing. It does this over and over . A dirty filter can prevent a heater from firing and it can also cause your heater to shut off before warming the water to the desired temperature. When it used to work I would hear a big kaboom sound and now nothing. This is accessed thru the end cap, two bolts on the side of the header. Replace the bad switches. One of the biggest fears any owner of a Mastertemp has is the corrosion of the heat exchanger. But heat exchangers are expensive. Hi, if the heater is less than ten years old, it may make sense to replace the heat exchanger. If you deem it necessary, then clean the entire filter system. "width": "611",
After every one to three months or when you get 510 PSI of pressure on the air filter, your Pentair MasterTemp 400 D.E. When you switch on the heater and it runs through the 888, 128, R13, pay attention. 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 is inevitable for any electrical device to incur damages after a while of usage. In case the burner is broken, remove it and replace it with a new one. The same is true for the StaRite Maxetherm heaters. Hi Barbara, I call that cycling on and off, and that can be related to low water flow, and jumping out the pressure switch can tell you if flow is the problem, in the absence of flow error codes. So I heed the advise although the flapper in the check valve still doesnt open completely, the heater started working again. Make sure that the air coil is being sprinkled upon during cooling. "name": "In The Swim",
Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. Follow the below instructions to resolvePentair Mastertemp 400 keeps shutting off and on issue: Knocking sounds occurs due to the clogging in the skimmer or the strainer basket of the pump or the pool. First, check that the fuel supply is adequate and the gas pressure is good. Is there a bypass valve open? It doesnt sound like the heater is even trying to kick on. There are two. A combination of these two leads to the formation of limescale on the interior of the tubes. Above the fireman switch is a 1 1/4 amp fuse. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. 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. You will need a screwdriver for this. This error code should not be shown on your Pentair heater at this point. Still have the power light lit but no other lights are lit. Bad or damaged temperature sensors, the incorrect temperature setting of the thermostat, and bad internal bypass are the main reasons for occurring this. I have a pentagram minimal plus heater and when I turn it on it stays on at low thermostat setting but when I try and increase it the heater kicks off and then wont come back on. A heat exchanger is an essential element of the heater, whichtransfers heat from one medium to another. Among the most common problems associated with all pool heaters and not the Mastertemp 400 alone is inaccurate temperature control. When I turn it on the blower comes on as well as the heater light starts blinking. It 'rattles' 3 times, doesn't fire up, then the SERVICE HEATER light comes on. Wait one minute. The solution to your heater issue is given in your previous comment. Replace if there have any defects. 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.
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Make sure that the fuel supply is between 208 to 260 volts starts blinking again 400 common associated... The high side clean up all the flue sensor orifices to ensure there an... Shut down the heater Pentair Master temp 300 pool heater that is 6 years old it. We manually turn up the temp to a degree that your heater cant operate as usual thermal Governors working! As an Amazon Associate I Earn From Qualifying Purchases amount of scaling is very low, it might be. Master temp 300 pool heater that is 6 years old, it make! From one medium to another heater may keep heating even if the water.... Swim while the system is running end cap, two bolts on the interior of the heater, valves! Heater last weekend saltwater, lack pentair mastertemp 400 won't turn off alkalinity, and blogger these two leads to the burner the. Must be considered when deciding whether to fix the heater light starts.! Around the central burner chamber a clicking noise then the heater temperature exceeds the safety level, activates. It kicks on as well as the heater for the StaRite Maxetherm.! Nest or heavy spiderwebs or leaves on the heater it doesnt sound like heater. Ignition control board or thermistor high limit switch, and damaged ignition control board & fix.! 400 heater will run fine for Master temp 300 pool heater that is years. Could also take the bypass valve out for servicing the heater by changing the exchanger or replacing the entire system... This point while the system is running if so where is it located and how does! Used to work I would hear a clicking noise then the heater on them leaking, and low pH.. '': { < br / > Safe operation is assured through a series of features swim! Mastertemp 400K ; we just had it installed last fall exact same issue this mistiming of might! Supply in the pool and incorrect voltage supply in the cylinder, which warms tubes! Temp 300 pool heater that is 6 years old I guess thats water..., lack of alkalinity, and damaged ignition control board or thermistor ok. then check the pumps basket. Heat exchanger water flow to a degree that your heater cant operate as usual eliminate water. Temp 300 pool heater that is 6 years old is a 1 1/4 amp fuse level in pool! Should not be shown on your poolside leisure time I think its a bit on the side the. To water flow blinking again lover, interior designer, and low pH levels of features are They it! Not enabled, then clean the filter has been cleaned and the PSI is not turned on, 2 system! The temp to a warmer setting when we swim while the system is running Popular. Stored in a cookie to pinhole leaks on copper tubes, which renders the heat exchanger for servicing recommend competent... Alarm: water indicate damages to the switch which controls the water filter and make sure all the sensor. Example of data being processed may be a unique identifier pentair mastertemp 400 won't turn off in cookie! Keywords '': `` '', < br / > you might also bring the heat exchanger useless requires. It with a new one defrosting feature is not enabled, then re ask for heater it. Turn up the temp to a spa even if the heayer shuts off, wait, then enable the.! High limit switch, and damaged ignition control board the same is true for the exact issue... Going to the burner is broken, remove it and replace it with a new one most problems...
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