Yes the capacitor do assist the compressor, however; your problem may not be with the capacitor if you do not see visible swelling, but check to see if you recieving the actual 24 volts required to start unit. Also the only other reason may cause this sort of problem could be the coil in the contactor is going bad ample voltage problem.
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The condenser fan in the back near the compressor comes on when the compressor comes on. The fan motor is the likely problem. It is easy to replace and inexpensive. Here is a link that should help Condenser fan replacement Spin the fan blade by hand or listen closely when it is making the noise to isolate it.
Now if the fan is not the problem and the noise is coming from the compressor, the compressor will likely need to be replaced. This is hardly ever worth the cost of the repair. You would be better off buying a new unit.
I think the clicking noise behind the unit comes from the compressor bimetal thermal protection, which can be caused by the condenser fan not worikng (the small fan on the back bottom of the unit) and/or dirty/clogged condenser.(the coil in front of the fan)
Temp. control knobs,
Small fan in freezer, it should start working after opening the freezer door for a couple of minutes. If it does not start, use a pen or pencil to turn the blades, if it kick in, replace motor.
Remove freezer back panel (where the little fan is) and check for iced evaporator coil, if so, unplug unit and use a heat gun or hair dryer to melt ice, make sure the air duct going to the fridge is clear.
Sounds like your starting components are bad on the compressor. If the freezer section begins to loose temp then this is probably the case. They will try to start the compressor and then it will kick off on its overload. However this will usually occur every 10-15 mins when they are completely toasted. Your compressor may be starting up part of the time and not starting the rest. Either way you will probably need new starting components on the compressor. You could also check to make sure your condenser fan motor is running (in the back of the ref behind the access panel) because this could cause the compressor to overheat but usually wont cause a buzzing noise.
It sounds like you may have bad starting components on your compressor. I would check your condenser fan motor for 120v. Or try to put a small box fan behind the ref blowing directly on the compressor to aid in cooling it. If the compressor kicks in then you know the problem is with your condenser fan motor and not your compressor. If the start components are bad you will usually hear a clicking noise from the compressor every 10-15 mins or so.
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
Sounds like the start relay, start capacitor and overload have become defective. Turn it off to prevent further damage to the compressor internal overload. Check to make sure the condenser fan and the evaporator fans are running and get back with me with an answer yes or no. Thanks, Sea Breeze
If the model number you have above your post are correct I will also send you part numbers and hot to replace.
I am having the same problem, sometimes it runs in the wrong direction, blowing the air down. Sometimes something gets tripped and I need to turn the thermostat to off and wait a bit then restart it. If I am lucky it will run int the correct direction and also will warm the house. Sometimes it send nothing but cold air to the house's forced air.
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.
I think you mean compressor rather than condenser. Take the panel that covers the controls off the unit. If the clicking noise is the contacter, and it is engaging when the power is turned on, then follow the wires to the compressor, remove the little plastic cover and look for wires that are burnt or otherwise not making contact with the compressor terminals. If the wires are good and you have a volt meter, set it to ohms, TURN OFF THE POWER, remove the wires on the compressor. (remember where C,S,R, goes) touch the meter to any 2 terminals on the compressor. They all 3 should have continuity to each other. No continuity=new compressor. If the contacter is not making the clicking noise when the power is turned on, then you have another problem that I'll need more info. to help.