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Welcome to the world of Ruud! Ok James heres the deal. It sounds like the condenser fan motor has failed. Its not a repairable item but the motor is not too expensive. Disconnect the main power at the fuse block on the side of your house next to your a/c. Remove the screws that hold the top fan section and carefully turn the fan/panel assembly over taking care not to stress the wires. Determine how the fan is mounted (probably 4 screws) and go find your new motor. Both Rheem and Ruud use the same motor mounting. Most a/c supply houses have a motor that will fit or go to graingers. Make sure you get a matching run capacitor for that motor. It will have separate wires and not share any wiring with the old capacitor. The old capacitor will have to stay in place since it is also connected to the compressor. The old motor will have 3 wires and the new one 4 (2 brown for the capacitor and 2 others to put on the contactor that the compressor wires go to). If its a heat pump it could be a board and youll need help. good luck
sounds like the fan motor is at fault , 1 it could have bearing problems 2 the capacitors if it has are at fault , to correct check fan with out power to see if it runs free if it runs smooth then i suspect the capacitors are at fault , you will need a megger to check both items , make sure you check that they both accept a charge of 500 volts and that they discharge , if one does not , then change for a knew one ,
Hi,
Either the capcitor has gone bad for the fan motor or the motor has siezed up or gone bad... you cold try to replace the cap. first and move on from there.... Here is a tip about troubleshooting your air conditioner... There are many things that can cause your air conditioner not to cool…
Is it the motor or capacitor? If the capacitor is bad the motor won;t run, it will just hum or run real slow.
If it is the motor and it's the 3rd one then you need to go to a more heavy duty motor, for instance if it's a 1/4 horse power then go to a 1/3 hp. etc.
hi there,
check the capacitor of your condenser fan,if busted replace,although thats the common causes of hummimg motor,it can't start,consider also after replacing capacitor still hum,check the motor start winding,and the supply from the source of relay in control panel.have a nice day
I would shut it off...most A/C's never need to defrost...but I'm not 100% sure about some of the newer models....In my 35 years experience.I have never seen a defrost on anything but a freezer/refrigerator....a humming noise indicates a motor is frozen up...usually a fan motor..in your case it will be the evaporator/condenser fan motor...(your type has a double shaft..that has a fan blade for the evaporator and then another shaft upon which the condenser fan blade is attached...if this goes out it will hum...and it will definitely ice over....and these window units are never supposed to ice over...except when air is not blowing over the evaporator ..or air is not blowing over the condenser. Yes it will continue especially if the fan motor is going bad...and yes keep power to it off..or the compressor can burn out and that IS THE AIR CONDITIONER...if you lose that you may as well buy a new one as the cost of repairs will be more than a new unit.....usually....If you are lucky you can take the cover off an spin the fan blade by hand and try to start it while the blade is spinning to see if it was just stuck...but it may not restart after it stops...if it doesn't you will need a new fan motor. Also next time include the Make and Model #. thanks and good luck...than you for rating my effort...the Fang.
It sounds like your condenser fan motor may be locked up or the capacitor that helps give the condenser fan motor a kick to get it started may be defective. Try turning your system on and using a long screwdriver try to push the fan blade on the condenser fan motor to see if it will run normally if you give it the starting boost it needs.If it does run at full speed and doesn't over heat or start and then slow down then you probably only need to replace a simple 10-12$ capacitor. If it barely turns, makes an odd humming sound or overheats etc. then you will have to replace the condenser fan motor. This is assuming that the outdoor condenser has the 220v supplied and the 24v supplied to the compressor relay, that the compressor relay is engaged and suppling 220v to the condenser fan motor.
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