Furnace doesn't comes on till I turn switch off then on [Archive]

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malarab

Feb 20, 2008, 10:24 AM

My furnace doesn't comes on till I turn switch off then on

hvac1000

Feb 20, 2008, 10:55 AM

You are resetting the furnace. Next time it is off see if there are lights blinking on the circuit board. If so there is a legend on the wiring diagram on the blower door.