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Showing results for tags 'capacitor'.
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Some of you folks thankfully have been trying to help me troubleshoot why my 2015 rooftop Dometic Heat Pump (#651816). The units fan will start but shortly after trips the breaker. I have gone through several things to try and diagnose what is causing it. As they say a picture is worth a thousand words words so a video showing testing the compressor for short to ground, replacing the breaker and testing and replacing the start and run capacitors may give you a better understanding of what I have tried. The fan and compressor relays are mounted on the control board so I can't just pull them off and just replace. I appreciate any help I can get. I am not an HVAC tech, just a home owner with enough skills to be very, very dangerous that likes to fix his own stuff and doesn't give up easily. Thanks again for any help you can provide, Mike
My four year old Dometic Rooftop Heat pump is tripping the AC breaker. I can re-set the breaker and it will stay set until the thermostat calls for either cooling or heat. Up on the roof I can see the fan does not attempt to start nor does the compressor. I hear a very faint click and then the breaker trips. The fan spins freely and I can set the thermostat to just "Fan" and that does work. I cannot smell any kind of burning nor do I see and damage to any wires. I am thinking start capacitor either fan or compressor.