A/C humming
I have a Duo-Therm (Domestic) rooftop airconditioner. Tonight it has started to make a deep humming sound. It is still blowing cold air just fine, but the weird thing is that when I try to shut off th...
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Had some issues with our dometic. Story short, after replacing the burnt out fan motor, it still wouldn't run, although the compressor always would. Disconnected the connector from the inside and checked it for burnt contacts or whatever and pulled the 3amp pcb fuse which was OK. reinstalled both and the fan took off????
Have no clue as to why except that it might have reset the control board.
About a year or two ago the old fan motor froze up. Disassembly and some grease on the bearing surfaces cured that problem until now. Did this most recent repair in this campground as I had the new motor on board and so far so good.
As a side note, the fan motor doesn't use a start capacitor and shares the run capacitor with the compressor, so one might want to consider these items in troubleshooting also.
Have no clue as to why except that it might have reset the control board.
About a year or two ago the old fan motor froze up. Disassembly and some grease on the bearing surfaces cured that problem until now. Did this most recent repair in this campground as I had the new motor on board and so far so good.
As a side note, the fan motor doesn't use a start capacitor and shares the run capacitor with the compressor, so one might want to consider these items in troubleshooting also.
