duo-therm a/c does not start
I just returned from a trip and the whole time I was on 50A shorepower the front A/C worked on the thermostat settings. When I went to leave I turned off my A/Cs before unplugging the cord. After star...
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The clicking happens because the control board is 12 volt activated. IF NO 120 to the AC unit it will still click. The control board, is it in a 8 inch by 8 inch galvanized box right above the AC filter? Or is it up on top where you can only access it from the top with the cover removed and the flat metal cover removed? ON the control board you will see black relay towers. ONE will have a 12 gauge black wire and a BLUE 12 gauge wire. The BLACK is HOT 120 volts. The BLUE goes to the Compressor circuit. With NO 120 power to the AC unit jump the black and blue and restore 120 power. The compressor should come ON. Turn off immediately after the compressor either runs or does not. Post the results. I have never had a Fan Capacitor and the compressor capacitor fail at the same time. So, at this point, do not do any capacitor tests. I feel you have a 120 supply problem. Doug
