Question about Goodman CLJ30AR32 Air Conditioner
The AC stopped working today. the indoor blower works the thermostat seems to be fine. I walked outside and listened. The fan blades do not turn, i felt the top of the unit and the metal was hot. The blades turn free. I heard the sound of the electric motor try to start, it just humed blades did not move. never heard the compresser start. Tuned off thermostat to prevent any further damage.
Question 1: If the fan motor is burned out, will it (as a safety feature) prevent the compressor from kicking in. do they run independantly?
Question 2: Are there any onboard fuses, capacitors etc.. that could have blown to stop the fan motor? ( i hear humming from the motor )We had a severe thunderstorm.
I can change the fan motor myself if it needs it. Doesnt look difficult and easy to get to but i need to know if a bad fan motor will effect the compressor from turning on.
the unit worked perfectly until today.
FOR QUESTION 1: They do run independantly. What will happen when your compressor is running but your outdoor fan does not, the pressures in the system will go really high and compressor will overload. That outdoor fan is used to disipate all the heat that is transferred from the inside to the outdoor unit.
FOR QUESTION 2: If you hear humming it can be 2 things. FIrst one is that that capacitor went bad. Dependiing if its a dual run capacitor(which helps both compressor and fan motor) or they both have individual capacitors. The second would be a bad fan motor. OPen your service panel outside to the AC. Find your capacitor for you fan motor. if there are 2 , locate the one that goes to your fan motor. Check it out(if its blown physically youll will notice it like really bubbled, like swollen) then change itout. Or you will have a dual run capacitor that runs both compressor and fan motor. It will have the terminals marked (Fan, Common, Herm) Bsically check your capacitor mfd(micro fared rating, it will say on the capacitor what its rated) Get a multi meter and put in the "MFD' selection. Before you check any capacitor you have to discharge the the voltage charge it has. Use an insulated handle screwdriver and just place the metel part across the capacitor leads. Basicall short them out. Then proceed with checks...hope this helps( remember to always pull the disconnect out from the box outside to cut power)
Posted on Jul 30, 2009
There could be several reasons why the fan motor is not working. Could be the start capacitor for the fan.Could be a burned up motor. Could be a fuse. To answer your questions, the fan motor and the compressor start at the same time but what happens is the compressor will shut itself off due to high head pressure because of no heat dissapation from coils.This is a safety feature to prevent compressor damage. You can access the fuse and start capaciter behind the service panel on your outside condensor, however, you could end up spending a lot of needless money buying parts and still have the same problem. If you do play the guessing game, replace the start capacitor first as it is the least expensive.Next ,check all fuses with on ohm meter. Good luck and hope this helps
Posted on Jul 30, 2009
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Posted on Jan 02, 2017
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