Furnace will not ignite in Auto mode.

Question

Dec 17, 2006, 08:31 AM

CSR855

New Member

Join Date: Dec 2006

Posts: 1

Furnace will not ignite in Auto mode.

I have an Armstrong-Air Gas-Fired furnace G1D91AU and a programmable thermostat which when I set to heat and says system on but the furnace is not turning on. If I set the thermostat to ON the furnace runs but is blowing cold air. It this a problem with my thremostat or my furnace itself?

I would appreciate if you can give me an idea where the problem is.

Thanks!

Answers

Dec 17, 2006, 12:47 PM	#2

NorthernHeat Heating & Air Conditioning Expert Join Date: Oct 2006 Location: IN Posts: 1,355	You need to find out if you are getting 24 volts at the white wire in the furnace when the termostat is calling for heat.

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