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Replace the fan motor and capacitor. If you want to go the cheaper route, change the capacitor first and try to run the unit. The cap. is what gets the fan motor running on start up. Another way to test it is to manually turn the fan bade and while it's still turning, make sure your hands are clear of the blades and turn the condensor on. If the fan runs normally, then it's your fan capacitor.
if the air comes on for a short time and then turns off for 15-30 minutes, the overload protection inside the compressor is shutting down to protect the compressor. this can be caused by blocked supply or return vents, improper charge, bad valves in the compressor, and a multitude of other things. the problem will have to be corrected first.
check one of the following stop the cooling
a- condenser need cleaning
b- condenser fan not operating
1 -check correct voltage comes to the fan motor if ok
2- check capacitor if ok
3-check motor winding
c-low suction pressure
need check for leak before charging.
The outside unit has a fan capacitor and it must be faulty!!! thae capacitor tells the fan to rotate and if the fan does not work then the compressor will shut down due to a high head pressure and temperture!! change the capacitor located in the electrical section of the outside unit and it should work fine...
You amy ahave a bvad capacitor on the outside unit. It starts the fan and the compressor. You can change this yourself. Open the outside panel and you will see a silver canister with terminals out the top. Replace this and I think your problem will go away. On the cap. it will say something like 30uf 5uf 370 ot 440 Just get these numbers and get a new one. Russ
All timers are located on the main control board in the air handler " inside unit ". There is a circuit board in it near the heat strips and it has a couple of relays that are notorius for going out. Replace the board and the condenser unit " outside unit " should start to operate properly.