Gas furnace problems.

Old 01-21-11, 01:44 PM
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Gas furnace problems.

Have a gas furnace with electric ignitor. Works fine the first cycle. Ignitor fires and heats up, blower motor starts, gas on, heats all correctly, and shuts off when done. When it repeats to heat again, ignitor fires, blower on, gas fires, then instantly turns off. Module indicates ignition failure. Will not re-start until powered off then back on. Then works again for one cycle. Any ideas?
Old 01-21-11, 01:57 PM
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What is the make and model # of your furnace? Because it works when you turn off power and reset it sounds like the module may be on its way out. Could be the igniter also.

Mike L

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