Air Conditioner runs but won't cool
We have a brand new coleman mach 8 cub and an rv comfort hc coleman mach 7330g335 thermostat. The AC fan runs on both low and high and responds to the thermostat but the air won't cool. For whatever r...
Forum Discussion
adambeck7 wrote:
yellow wire has power leaving the thermostat but not when it reaches the controller box...
The yellow wire is open somewhere. USE the unused white wire and connect it instead of the yellow. Also, cut the spade terminal OFF at the AC control box and test the yellow again. Sometimes, they crimp and the insulation stops the copper to spade connection. Or they neglected to strip the yellow before crimping. Doug
