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Hardraymo59 10-07-2012 12:21 PM

Furnace will not stop running
What could be the problem

BigJim Moved thread from Electrical to HVAC

biggles 10-07-2012 02:02 PM

are you melting or is it just the supply fan.:huh:..if your swetting pull the stat off the subbase lets hear back

how 10-07-2012 02:40 PM

If your too hot, remove one of the thermostat connections from the furnace.
Dis connecting "R or W" will show you that it's a thermostat or thermostat wire circuit problem if the burners then shut down..

If it's just the fan that won't stop, then a overheating furnace with a tripped limit is a common cause. Dirty filters?
Thermostat fan control on or shorting?

Let us know.

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