Question about Honeywell Programmable Thermostat Heater

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Honeywell CT3611 thermostat, not working..

Programable thermostat, old forced air furnace, works well, was just cleaned for winter. This morning, no heat, flipped the breaker, messed with thermostat, heat back on. This evening, the same thing.

Took off the thermostat, tryed to trip blower with R and G wires, nothing.
Any ideas?
thanks

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If you cross the two wires and you see a slight spark and heat comes on, then the problem is in the thermostat, if not then problem is at furnace it self.

Posted on Apr 26, 2009

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I HAVE A HONEYWELL MANUAL THERMOSTAT NO BATTERIES ALL IT HAS ON THE BACK IS T8400C 1099 (2) 0710 1B HELP, IT DOES NOT SHOW ANY THING THE SCREEN IS BLANK


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1. You have lost power to the furnace, therefore no power to thermostat.
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