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I have a Duotherm Brisk model 57915.531 that is on the brink all of the sudden. When I turn on the thermostat to blower "ON" I get nothing, nor do I get a blower response on auto. If I change the temp on the thermostat the relay on the AC unit will click, but no blow and nothing else. Fuse is good on the panel, relay is clicking on demand with the thermostat and haven't broke out a meter yet. I did spin the blower fan by hand, but did not try to cycle the thermostat while spinning it. Any clues out there before I call out a tech to help troubleshoot?
Sounds like it could be something as simple as the start/run capacitor up top on the AC unit since it sounds like your thermostat is working properly. First meter the voltage at the inside unit to make sure have 110v AC at the AC unit.
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