Question about Honeywell Programmable Thermostat Heater

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Fan will not cut off even in auto position. It just keeps running

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Therre is a blown fuse on the circuit board. It is a 3amp fuse.

Posted on Dec 15, 2015

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If the fan will not turn off when the thermostat is turned off the thermostat is not the fault. It could be the wiring from furnace to thermostat. Disconnect the thermostat wiring from the furnace to isolate the possible problem component.

Posted on Apr 13, 2015

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