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Maine-iacs's avatar
Maine-iacs
Explorer
Aug 19, 2015

Issues with DuoTherm A/C control - any ideas??

DuoTherm A/C control seems to be acting up. The A/C runs fine, does a good cooling job. The DuoTherm controller seems wonky. With System switch set in the off position, the control will occasionall...
dougrainer's avatar
dougrainer
Nomad
Aug 20, 2015
ALL the control and tstat is 12 volt. So, if you hear clicking, either the tstat is causing it or there is a problem with the wire harness going to the roof AC control board from the tstat. Do you hear the clicking at the roof AC in the ceiling? The wall tstat should and is not really capable of making any noise. Doug

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