Have you checked the low voltage wiring at the unit inside the house for bad connections? I can't find any information with the model # given. Yes I have run all low voltage wiring. I know this is going to sound crazy, but unit works fine during the day with hot temps, low pressure 55 -65, High pre...

Really need some help guys. Unit started working this morning, turned off and on with the thermostat all day long until this evening. Now all the sudden the same problem, contactor sparks and wont stay in. I can hold the contactor in and it will run and cool great. Could it be high pressure cut off ...

I have a coleman/Evcon/Air Pro Model DRHS0241BB heat pump, aprox 10 years old. Cooling well till yesterday and outside unit would not come on, fan and compressor, no joy. I took the control pan cover off and the contactor was kicking in and out and would make a big spark whe it did so. You could tel...