7655-856 thermostat does not work. after a power failure the wall thermostat was dark. i used a meter to see if the issue was with wall meter or at the furnace. no signal from the furnace i think means the thermostat connection on furnace is dead.

Asked by gary on 07/20/2013 0  Answer

ManualsOnline posted an answer 11 years, 4 months ago

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