The central air conditioner in our house doesn't cool.. any help would be appreciated. i have a 7 year old Comfortmaker condenser unit that is giving me problems. the inside unit blows air, but the outside unit does not always completely turn on - it hums but the fan does not turn. when it does turn it is very noisy
The capacitor is located inside the control panel on the outside unit. It is round or oval and silver in color.It runs the outdoor fan and the compressor both.
The terminals are marked= C, /F or fan/, H or herm. C-F-H.
The microfarad rating is printed on the capacitor. Make a color code wire diagram before removeing wires.
Disconnect power to the unit. Use a insulated screwdriver to short out the terminals on the capacitor before removing it.
No cooling means outside unit is not operating due to
-no thermostat signal
- condenser dirty need cleaning
- fan motor stucked 90% this the reason of noize
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What does the capacitor look like? is it hard to replace the fan motor?
Check the capacitor on the outside unit. Replace it first. If the unit still does not run replace the fan motor.
The capacitor would have to be changed with a new fan motor anyway.
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