Question about Heating & Cooling
Sounds like a bad run capacitor on the outdoor fan motor. Compressor kicks on but quickly overheats because fan is not running. Good Luck!!
Posted on May 12, 2017
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Posted on Jan 02, 2017
Yes it could be the pop off pressure relief on the compressor.
I assume it is the outdoor fan your referring to not running.
If this is a heat pump and it is in defrost (only in the heating mode should your outdoor fan be off and then for only a max of 12 to 15 minutes).
If it is just AC ir is Heat pump in cool mode, the out door fan should run while the compressor and indoor fan are on. Until the thermostat is satisfied on room temp.
This high pitched squealing is indicative of a bad fan motor or capacitor for the out door fan motor. Kill power and test blades to see if turns free. Check the run capacitor inside control panel. It is usually silver or aluminum colored (some are painted gray). The top should be flat with rolled edges and the sides should either be round or oval shaped with no swelling or oil leaking from inside it. If this all looks normal take it to where your going to get a motor any way and ask them to check it or sell you a replacement at the same time. These can go out usually from high voltage (lighting...) or from over heating (bad fan motor, dirty out door coil...).
Hope this helps you if not post back I'll respond as soon as I can. And please rate me as high as you can. Thank you for using Fix ya and good luck.
Posted on Mar 28, 2009
That happen to me too i just fixed last week
the thing is that you have to change the fuse in infiniti there is 3 place of fuses first one is inside the car, Second one is infront of the battery and the third one is next to the battery so for the radio and A/C one is the infront of the battery open and change the fuse number 15 that will be fixed...
Posted on Oct 27, 2009
If the humming is your compressor running (feel the large copper line going into the unit, it should feel cold aftter a few minutes of run time) then the fan motor or the capacitor or both need to be replaced, check for voltage to the fan motor when the unit is "humming" if it has voltage and will not start replace the fan motor and the capacitor. hope this helps.
Posted on May 21, 2010
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