Question about Heating & Cooling
If your not getting power to the gas selenoid, then the circuit board is not sending the signal. Your getting a signal from the thermostat, cause the combustion fan is running. To rule out the thermostat, raise the temp as high as it will go and let it cycle. You probably have already powered the unit down I assume and tried to reset it, if not then do that if the gas valve still won't ignite with the thermostat wide open. Also some units have seperate fuses or breakers. Check yours and check the board for fuses or bad spots such as bad capacitors that are bulging, leaking or split. Also I assume you have good gas pressure? no interuptions of your service?
Posted on Mar 26, 2011
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Posted on Jan 02, 2017
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