Duo therm rv a/c the red light come on on the control panel inside the rv and the fan stops which indicates low voltage I have checked the voltage at the breaker, juction box where the a/c is connected, and at the main board in the a/c unit, all locations show 120 volts even when the unit is turned on and it quits what do I do next?? replace the main control board? where is the sensor that detects low votage located ?? it must be bad as it reads 120 vlots everywhere according to the manual it should come on and stop the a/c when the voltage drops below 97 volts for 10 seconds or more can you help or know someone that can give me some advice the company will not help at all!!!!
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