Question about Heating & Cooling
Turn your fan from auto to on, your fan should run. If it does not turn on you have a 24volt problem.
Go down to furnace and remove thermostat wires at control board. Install a jumper between R and G. Put door back on and turn furnace on. If fan comes on you have a wiring or control issue, If fan does not come on iot is possible that a little 3amp fuse located on the board is blown or your tansformer is bad.
Remove jumper bewteen R and G and put it between R and Y. Put door backon and turn on power. If your AC starts, you have a wiring problem.
If it does not start, did you check to make sure the breaker or fuse is not blown on the air conditioner?
Posted on Jul 06, 2010
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Posted on Jan 02, 2017
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