Question about Heating & Cooling
My gut tells me that the indoor fan relay,24volt fuse or circuit board have gone bad, but first lets eliminate the thermostat as a problem.
1) Turn off the air handler at the disconnect switch to shut off 24v.
2) Disconnect the 24v wires from the thermostat.
3) Only connect the "R" and the "G" wires together. (Usually red and green)
4) Restore power to the air handler.
Does the fan come on? If it does than the thermostat is bad. If it does not come on then we will look closer at the other componants. Give it a shot!
Posted on Jul 09, 2008
Check the transformer. Turn t.stat to on. If the fan doesn't engage change transformer. Also discharge your capacitor and test. If micro-farads are low it is a good indicator that the capacitor is either bad or going bad. Change and crank her up...
Posted on Jul 03, 2008
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Posted on Jan 02, 2017
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