share | improve this question | follow | edited Dec 31 '15 at 11:36. isherwood. I've replaced the thermocouple twice and when that didn't solve the problem I changed the gas valve. Reasons Your Burner Won’t Stay Lit Dirty flame sensor . Favorite Answer. I held the knob thing down, clicked the ignite button, and the flame came right on, but the status light won't flash and I don't know what's wrong. This is one of the most common reasons the burner won’t stay lit, even. Then the pilot won't light again unless I wait a long time before trying again. 11 Answers. Here are 5 reasons why your pilot light won’t stay lit and how you can fix it. Have you ever experienced when your water heater burner won’t stay lit? Smith Water Heater won't stay on. I can get the pilot lit and it'll hold a flame. My problem is the burner will ignite and then maybe 2-3 seconds later will go out. You can quickly know if the pilot light is on or off with the help of an electrical current, powered by the pilot’s heat. Water Heater Pilot Light Keeps Going Out? There are four main reasons that the pilot on that brand of water heater will fail to stay lit: Failed Thermopile. Smith water heater with electronic ignition. Even after trying to relight the pilot light, you still may experience it going off. It seems like there is no AIR. The problem may be a genuine defect or it could be an issue with the sensor. Most water heaters need a thermocouple. The pilot light is a small flame that ignites the gas burner. water heater. It would burn for 10 -15 seconds, shut off and re-lit. Plugged Flammable Vapor Screen. Discussion Starter • #1 • Apr 9, 2012. Having to relight it almost daily. I've had this unit since I bought my house 12 years ago and would have been installed way before that. A pilot light that won’t stay lit is more than frustrating. My water heater all of a sudden has become a big pain in my you know what. Hot Water Heater won't stay lit [ 1 Answers ] Hello I have a 5 year old 50 gallon Bradford White gas hot water heater which will not stay lit. Tripped/Failed Limit Switch. My water heater's burner won't stay lit. Water Heater Will Not Stay Lit Sign in to follow this . However, if you are facing such issues, there may be mainly two reasons for such. A pilot light in a hot water tank is what allows your water tank to heat up. - I have an A.O.Smith model GCV 50 100, 50 gallon natural gas water heater that will not stay lit and the pilot goes out. If this line is kinked or bent so that gas can’t flow, the pilot light won’t stay lit, and the burner won’t kick on. The water only went up to the bottom of the viewing window, not covering the main contol valve. I've replaced the thermocouple, cleaned the burner, cleaned the vent, and removed and checked the flue baffle. I have two hot water heaters, one is for heating, the other for domestic hot water. Why Won’t My Water Heater Light? Tony RB. Pilot light won't stay lit when you turn knob from pilot to on, it goes out as soon as the knob pops up before you can turn it to on pilot light on my Reliance 501 gas water heater won't stay lit when you turn it from light pilot to on, it goes out as soon as the knob pops up. The patio heater will not stay lit. When I hit the light switch it fires up for five sec. Followers 1. How can I fix it? It is an AO Smith Promax propane gas heater with a pilot light that won't stay lit. After I light the pilot, I switch on the gas and it lights -- and then goes out almost immediately. My water heater burner won't stay lit. Moderated by: Admin: Page: 1 2 3 : New Topic: Reply: Printer Friendly: my burner won't stay lit for very long-why : Rating: Author Post; Posted: Mon Oct 23rd, 2006 06:41 pm : PM: Quote: Reply: 1 st Post: june01 Member Joined: Mon Oct 23rd, 2006: Location: Posts: 4: Status: Offline. Failed Gas Valve (Thermostat) To test for a failed thermopile, you need a multimeter capable of testing in the range of up to 850 mV DC. My gas water heater burner wont stay lit. Very frustrating! If a gas water heater isn't heating, a common problem is usually that the pilot light has gone out. After powering off the heater it would come on and stay lit for 10 sec and shut off. the burner will ignite for just a few seconds and then goes out, along with the pilot. Lv 7. By Rkrew, October 24, 2012 in Systems and Appliances. 17 Posts . I turn on the main burner and sometimes it'll stay on for a day or two and sometimes it shuts off after about a minute. and shuts off. But generally, it is due to the defective control thermostat. Wait for half an hour so that the heater becomes all dried up. I have replaced the thermocouple and verified the pilot is lit and stays lit until I try to turn up the temperature. Recommended Posts. If you have a natural gas or propane water heater and have opened your hot water faucet to find that there’s no hot water, the usual culprit is the pilot light going out. Yesterday I noticed that I didn't have any hot water. GE water heaters need air flow to create draft in order to operate. I had about 4" of water in my basement. I have a State Select Model PR650XCVIT Natural gas water heater is approximately 2 - 3 years old. What … My pilot light would light but then go out shortly after the burner ignited. I cycled the power switch to the power vent off and on and the unit lit. Any advice? Joined: Sep 21, 2010 Location: Wisconsin. I have a GE water heater that is almost 2yrs old. When the thermocouple becomes dirty, the electric current passing through the pilot may get obstructed. This is one of the most common reasons the burner won’t stay lit, even. How to fix: In most cases, it is advisable to. ... Take the sponge and soak it in detergent water; Wipe the top of the heater with the sponge; Use the microfiber towel to clean off the dirt and webs. I need to re-light it every time we want hot water. My gas water heater won't stay lit, tried everything. Is the fix simply the thermocoupler? So what’s the deal? 79.9k 5 5 gold badges 93 93 silver badges 210 210 bronze badges. Model GCVL 40 101 built in October 2007. On Labor day I noticed no hot water. The burner lights fine when the thermostat is adjusted. Why Water Heater Pilot Light Won’t Stay Lit After Replacing Thermocouple? The pilot will light when the unit has cooled down and will stay lit. Discussion Starter • #1 • May 10, 2017. If this sensor is dirty, the dirt can cause the sensor to operate intermittently. If your pilot light won't stay lit, this can be for a few different reasons: the thermocouple, the gas pressure or the light itself. Not only does it prevent a furnace from operating properly, but an unlit pilot can also steal away the comforts of a hot morning shower. When a propane heater won’t stay lit, often what is happening is that the propane heater may sense that the flame is defective in some way, triggering the propane heater’s safety functions and causing it to shut off. It is a AO Smith promax GCV 40 100 water heater to be exact. A water heater pilot light that won’t stay on or keeps going out is super. I have a Maytag 9 series gas water heater. It has been making very LOUD popping noises for about 2wks also, not normal water heater rumbles but LOUD. What is control thermostat actually?