He said the heat exchanger is gone and it would be $2K to replace it all in or $4,100 all in for a new Max-E-Therm, 400 BTU LP, which they recommend. In case the issue persists, replace the control board. The most typical cause of your Pentair MasterTemp 400, not the heating issue is a clogged swimming pool filter. Enquire about how much voltage is being supplied to the heat pump. Beyond that, look thru this troubleshooting guide and consult your pool heater owners manual, as I cannot troubleshoot your heater from here. To Turn off Gas to Appliance. Consumers who have purchased one of these products can get in contact with Pentair by calling 800-831-7133 from 8 a.m. to 7:30 p.m. Clean the skimmer or the strainer basket of the pump. Also, closed valve, fluctuating in power . Thanks for your help! Why Fiberglass Windows Are Not Popular And Are They Worth It? Pentair Pool Support 1-800-831-7133. The thermal regulator should be in fine working condition. Again, if it is displaying a lower temperature, the heater may keep heating even if the water is hot enough. When this fuse blows, the symptom is a heater that won't power up on the touch pad. Worked for 1 weekend, now won't fire up. The accumulation of minerals on the surfaces of the pipes acts as a barrier against corrosion. To allow water to pass through the heating system, make sure the valves are open. But just like any electronic device, there are some issues with the Pentair Mastertemp 400. Thank you Frank Heat exchangers can corrode due to pinhole leaks on copper tubes, saltwater, lack of alkalinity, and low pH levels. I think our heat exchanger corroded last summer. Adding MA is a normal and expected process to help keep it in check. Not only for Pentair, but it also happens to other brands too. 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. "@type": "BlogPosting",
The reason is simple: TFPC (Trouble Free Pool Care) is a methodology, not a product that you must purchase. I love gardening a lot! Hi Hugh, is it a Hayward heater? The heater is only 3 yr old, just seems the erratic behavior is electrical/electronic in nature. Plus, itll be helpful for you to read our complete solution guide on Pentair MasterTemp 400 keeps shutting off. When this happens, the front panel buttons will stop working. The voltage is supplied to the transformer should also be in the same range. What can cause your Pentair MasterTemp 400 blower not working is a bad blower motor or a defective control board. It does heat the spa about 1 degree every cycle. So, here we will look at some issues and their solutions. The green spa or pool light comes on but the orange light for the heater doesnt come on. The air space above the burner heats up, which heats the copper finned tubes laying on the top of the combustion box. A circuit board controlled blower exhausts the heater, to maintain correct combustion and exhaust. Above the fireman switch is a 1 1/4 amp fuse. As of now, Im at the mercy of my pool company? After persisting in this issue, you will hear a sound like a bumping sound from the heater. The wiring diagram is given below for your reference. Check your igniter module. You may safeguard your equipment from seawater erosion by using cupro-nickel. Use a heat exchanger made of cupro-nickel to resist corrosion. Email Us. Hi,e repl When I turn it on the blower comes on as well as the heater light starts blinking. Solution. Step 4: Now take the new ICM and put it in the Junction Box chamber. You must log in or register to reply here. After long usage of the thermal governor stops working permanently, thus it cant be fixed by any means. They will help you out with replacing your control board. What is the function of the High Limit Switch on Pentair? I do not see a procedure for not being able to use the OFF button. Frequently Asked Questions. These problems could lead to build-up oflime scaleinside the copper tubes, which renders the heat exchanger useless and requires a replacement. Check out the internal and external bypass systems. Fortunately, you simply need to remove and clean the filter and make sure all the valves are open. They can cost you up to 50% of a new heater. Is there a bypass valve open? Carlos, those symptoms are HLS when it cools down, it turns back on. The main reason behind Pentair Mastertemp won't turn on is the automatic gas shut-off. Ensure enough gas supply on the heater. Education Center. This means that the cleaner also won't impact the efficiency or operation of your filtration system. Otherwise, it will be difficult to verify. Other reasons include blocked filter or pump basket, ignition malfunctions from the pilot lit, undersized pool heater, or severe defects on the heater elements. Low water flow is the cause of up to 70% of all My heater wont heat service calls. Im not sure where to even begin. 6. How does the thermistor work on the pool heater? Replace the defective thermistor. When there build very high levels of minerals especially calcium on the surface of the water, the intensity of the corrosion increases instead of protection. Make sure to maintain the device properly. Call Us. Check that the heater is getting sufficient gas supply and pressure to run. Check through it. Leaking heat exchangers are often confused with sweating or condensating heat exchangers. Pentair MasterTemp 400 Common Problems [15 Easy Fixes]. An HVAC company would install it as well, or an Appliance company. Check out the other heating elements. If it doesnt work, contact the Pentair customer support center. 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. Might charge under $500 to install. You May Like: Bud Light Ugly Sweater Seltzer 2021. Frank. I look forward to your advice. Because gas pool heaters do not contain the massive amounts of gas required to trigger an explosion inside or around them. The PS is red, and led6 is red. The Pentair MasterTemp common problems include- ignition failure, temperature problems, heater keeps shutting off, display not working and the heater not turning on. To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. 4. "contentUrl": "https://x1.adis.ws/v1/media/graphics/i/lesl/its-logo-wide",
Now check out the heat exchanger as well. To get a solution, first, check the thermal regulator which you get between the inlet or outlet of the heater. It is also advised to change the entire system if required. My heater also powers up, displays lights, without anyone touching it. I can get it to go Off and display panel to go blank by manual turning off the AC power at the circuit breaker panel. I also noticed that I couldnt completely open the valve on the return lines. But, is there a way that I can validate that there is really an issue? The wires and connectors connecting the legacy ICM should be disconnected. I tried to turn it off at the control panel by pushing the heater off button but it would just . Greetings Mr. Merino I opened pool 2 weeks ago, but only started heater last weekend. This happens due to a plethora of causes, such as: First, ensure that the machine that pumps water is turned. This error code should not be shown on your Pentair heater at this point. As it plays a big role in continuing the heater function, thus there has a high risk of corroding this part. Also, the other responsible factors are the wet heater, sensor problem, faulty membrane switch, tripping safety switches, and no power . Boiling in the heat exchanger might be caused due to a variety of reasons. I think its a bit on the high side. You need to take apart the filter cover and get the elements out. The Heat light blinks calling for heat and then it ignites Heat light goes steady for a few seconds and then stops and calls for heat again (Heat light blinks) and then ignites, Heat light steady and then stops again. Of course, there is also an internal bypass in most gas pool heaters. If the resistance is zero, the stack flue sensor needs to be replaced. Verify that the igniter is dry and not damaged physically. It was installed about 3 years ago and there haven't been any problems. So you could save $1000 by buying online and having a company install. Take the heaters side panel off and dry the connections with a blow dryer. Hopefully, you will . Also, at least once a year, you should disassemble and clean the D.E. Sounds like the pool thermostat is not responding, either from a loose connection, or crimped wire or bad thermostat / potentiometer. This is accessed thru the end cap, two bolts on the side of the header. Without gas, the heater won't operate. "name": "In The Swim",
2. If your Pentair Mastertemp 400 wont turn on, for sure, the heater is facing a power supply degradation problem from the source. A thermistor is mainly regarded as a temperature sensor. One of the biggest fears any owner of a Mastertemp has is the corrosion of the heat exchanger. Check the wire going to the sensor and the sensor itself. Burner pulsates or surges, especially on ignition. What else can impact the temp reading? Solution: Alter the chemistry of the water and reach an equilibrium. Dont ignore the strainer basket near the pump. 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. Turn off power to heater for about 5 seconds, and turn back on. This problem can be resolved by servicing the pump or filter. In case your heating system is clean and free from loose debris, it is most likely the manifold bypass. So I thought that was causing the problem. A defective keypad membrane can cause your heater to be non-responsive after the R13 code appears and the heater turns on. "@type": "ImageObject",
Now that you know how to tackle all Pentair MasterTemp 400 common problems, hopefully, you will maintain your heater well. The correct temperature of water depends on the user. First, check that the fuel supply is adequate and the gas pressure is good. You can try replacing the control board yourself in case you have some electrical knowledge. Can you give some thought? Make sure that the filter of the heater is cleaned as well. If not, replace it. Make sure that the air coil is being sprinkled upon during cooling. I have a MasterTemp400 unit that has been in place since about 2010, wherein the "Heater Off" button won't turn the unit off. This is the best possible solution to this problem. Take a closer look at where the water originates. Thoughts? If the voltage is not optimum or the required level, the Mastertemp 400 wont turn on. Following this article, you can get solutions to some of these issues. Clean the water filter properly to prevent water flow restrictions. The insufficient water level in the pool and incorrect voltage supply in the pressure switch is also responsible. Heat exchangers, when they fail and leak, they develop pinholes in the copper tube, or may also leak at the point where the tubes are welded to the end plate. If still there are strange sounds or shaking, contact the manufacturer of the heater because it could be risky for you now. The biggest fear about theheat exchangeris that corrosion can occur to the relatively soft copper finned tubes, causing them to develop pinhole leaks. Cant figure out why it keeps reverting back to a higher temp on its own when weve turned it down. . Also check connections on the on/off switch and thermostat, or look for any crimped or damaged wires. 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. Test your control board with a multimeter. Thanks for the help. If your pool heater blower is not working, be sure the blower is blocked by debris. Replace in case necessary. You can clean your own pool filter easily. Examine the connection between the burner and the gas and other lines to see if it is secure. Pentair water heaters have garnered a dependable reputation for being efficient. 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. I have a Master Temp 400 pool heater it does not turn on. After about 20 more seconds the heater light goes out . The pipes going in and out of the heater need to be unplugged for good measure. Learn more, Facebook II Twitter II Pinterest II Linkedin.
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