Pilot light went out. Cant relight, has a remote and sensor. Makes noise but wont light
Your question is not very detailed, but here are some general considerations that might be of some use.
1. Be careful! If you don't know what you're doing, you could get into trouble. If ithe appliance has a standing pilot, very likely you are connected to a gas utility company. What I mean is, the appliance uses natural gas from a central source brought into your home through a meter, rather than using bottled gas like LPG or propane. If there is a utility, call them. They are often very happy to come to your home to relight pilots very promptly and without charge, because a) it is good customer service, b) you'll use more of their product, and c) blowing up your house is very bad publicity for them. Call them and ask.
2. Your appliance gets its gas through a gas valve. Gas valves have a number of safety features. If the pilot goes out, for example, the gas valve won't open, in order to avoid a situation where a large volume of gas collects in your house, waiting for a catastrophic spark. This safety feature has a catch, though. If the pilot is out and the gas valve won't open, how do you get gas to the pilot light in the first place? The answer is that most gas valves have a control knob with three positions, OFF, LIGHT or PILOT, and ON. To light the pilot, you must turn the valve to the PILOT position, and THEN HOLD IT IN THAT POSITION while you light the pilot flame with a match or taper. You have to hold it because the knob has a spring which turns it to OFF if you don't hang on. Once the pilot flame is ignited YOU MUST CONTINUE TO HOLD IT FOR ABOUT 30 SECONDS and then turn it to the ON position. Positioned right in the flame there should be a metallic bulb or tube, called the thermocouple. The pilot flame heats the thermocouple, and the hot thermocouple signals the valve that there is a safe situation, namely that the pilot light is burning, so any gas that flows to the main burner will be ignited by the burning pilot flame, and not allowed to build up into a dangerous cloud. You wait for 30 seconds in order to make sure the thermocouple is hot, and then TURN IT TO ON WITHOUT LETTING GO OF THE KNOB. Remember that you are holding the valve open so that a safety spring does not automatically close it. If you relax your grip or let the knob slip,the spring will instantly shut off gas to the pilot and you will have to start over.
3. If you perform the lighting and holding for 30 seconds technique as in step 2, and the pilot goes out as soon as you turn it to ON, then there are two possibilities. One possibility is that the thermocouple is not standing right in the pilot's flame, that it somehow got bumped out of the way, and it is not getting hot enough to send a signal. You can verify that its location is right while the pilot flame is burning. If you can see that it is not in the flame, wait for it to cool and then VERY GENTLY bend it into a better position and try #2 again. If you still have no luck, it almost certainly means that the thermocouple is bad and needs to be replaced. They last many years, but not forever.
4. If much of what I wrote is unfamiliar to you, I urge you to call your local gas utility. If they can't get it to work, then get in touch with a qualified repairman; DO NOT ATTEMPT TO REPLACE THE THERMOCOUPLE YOURSELF.
Hope this helps.
Nov 01, 2014 |