9 thoughts on “My home air conditioner is not working, the fan outside is not spinning, what is wrong?

  1. if the fan is not running is the compressor not running also…if neither is running the possible reasons are 1..no power to outside unit…2..bad contactor on outside unit.is this buzzing if it is this indicates no power…3 bad capacitor,do both compressor and fan humm then quit humming and hum some more…4 high pressure switch has shut unit down because fan wasnt running if compressor was running but not fan….if your unit has this there will be a manual reset button where the lines come out of unit…if compressor was running and fan was not…1 bad fan…2 bad capacitor.. if you do not have any electrical knowhow i would recommend calling a hvac tech to come and fix unit…

  2. It looks like either the capacitor needs to be replaced or th e fan motor is bad. You are looking at a $150-$200 repair or maybe less.

  3. You will probably have to oil the shaft on the fan and hope that it isn’t seized up. Just put some 3 in 1 oil on the shaft and spin it for a few minutes. Of course, you will have to remove the outer shell to get to the fan. That should work. It’s something that everyone who owns an air conditioner should do every fall and spring.

  4. Check your circuit breaker, just to be sure you don’t call in the HVAC peeps too soon. Beyond that, if you don’t know anything about AC units, I’d call a professional. Keep in mind, as well, that the refrigerant in modern units boils at -30.4 F, so it’ll freeze your digits before you know they’re frozen.

  5. I know it sounds like a stupid suggestion, but it’s outside and all kind of weird things happen with kids, neighbours, nature etc. Make sure there is no power to the unit at all, turn off the electricity if you have too, open up the housing, follow the electric wire to the inside plug that powers the fan’s motor and make sure it’s plugged in. If it is plugged in unplug it, brush the plug and replug it firmly.

    If it doesn’t work check the inside surge protector switch and see if it’s been tripped. When the electric company turns off the power and turns it back on, it can trip the fuse\surge protector. If it is in the off position, then switch it to the on position. If that checks out it’s probably only the fan’s motor, the maker will be able to install a new part the same day.

  6. Follow the advise of wwwstat. He’s the only one that actually knew what he is talking about. Those other knuckleheads are going to get you electrocuted if you listen to them.

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