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CONDENSER FAN WOULD NOT START WITHOUT HELP AND COMPRESSOR WOULD NOT START I CHANGED OUT CAPACITOR AND UNIT WORKED FOR A FEW HOURS AND THEN THE SAME THING HAPPENED HELP
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you need to replace your condensing fan motor. the noise you are hearing is the compressor working against a lot of pressure because the heat is building up in you condensing unit. Prolonged operation without an operating condensing fan motor will cause your compressor to burn up, and then you will have the cost of a compressor changeout to the cost of a condensing fan motor.
Check the outdoor unit (condensing unit). Keep in mind, because the condenser fan is running it's not an indication that the compressor is working. On a split system,there's a dual capacitor that serves the fan and the compressor. The capacitor has three terminals. 1. common 2. fan = fan 3. Herm = compressor This is a common problem; The outdoor fan (condenser fan) runs, but not the compressor (you have to know the sound of a running compressor or you'll mistake it for the sound of the fan) doesn't, because the compressor side of the capacitor is too weak to give it that needed phase angle that it requires to start. If you're referring to the outdoor fan spinning, but no cooling, I can bet the compressor isn't working and needs a new capacitor. Very common problem, I see it all the time. Before you change the capacitor, make sure that you cut the power to the unit, and then use an insulated tool such as a screwdriver and short the terminals together first. A capacitor holds a charge even after being de -energized.Buy the new one with the same exact rating written on it as the old one. Do not mix up the wires when replacing. Write it down or take a picture with your phone
Yes, if you changed the three post capacitor that runs the fan and compressor, and the fan is still getting hot and shutting down until it cools off, you may have bushings out of the motor or an internal short. Sounds like you have a job ahead of you of changing your condenser motor. If you do this yourself just contact me I will step you through it . Mark
Problem #1:Outdoor condensing fan motor has stopped running. This problem
could be caused by a bad motor run capacitor. If
your motor capacitor is not the problem, then more than likely you need a new
motor. Is the fan blade tight, stiff or hard to turn? If the fan blade is hard
to turn then you probably need a new motor.
Problem #2: Air conditioner compressor will not start. When power is applied
to the air conditioning outdoor unit the fan starts, but you hear a sound like
the compressor is trying to start, "UGGG"..., for about 5 to 10 seconds and then
all you hear is the outdoor condenser fan run. The compressor is locked and will
not start. What is happening is the compressor is trying to start, but because
the compressor motor is locked it tries to start for a few seconds and then
because of the high amperage being drawn goes off on internal overload. The
internal overload protects the compressor windings from overheating and burning
up. I see this many times during the start of the air conditioning season. Some
compressors just have a hard time starting after sitting all winter long. Some
compressors are locked up so bad that I can not start them and must tell my
customer that they need a new compressor . Many
times I can get the compressor started again without having to buy a new
compressor or new air conditioning system by using the device called, "Super-Boost." I keep two or three of these on the truck. They
have saved many of my customers from having to buy new air conditioning systems.
Please check outdoor unit. Compressor or fan motor getting high amps due to overheat. Clean condenser coil. If still problem, replace running capacitor. If out door fan less rpm replace fan capacitor. In some unit 2 in 1 capacitor is there. So replace one capacitor will rectify fan and compressor problem. Thanks. Helpful?
Check to make sure condenser fan is working (this is the fan located near the compressor). It should be running at the same time the compressor is running. If it isn't, make sure there is power to it by testing with a voltmeter. If there is, replace the fan. If the condenser fan is working, clean the coils and check the evap fan.
Many times a freezer and/or refrigeratordo not work right because of a dirty condenser coil...there are also many otherthings that can go wrong.
If you are hearing a clicking or buzzing then check out thelast two tips.
If your refrigerator is running but warm, then...
Check out this tip that I wrote about that... it is a great place to starttrouble shooting your unit...and something that you can do rather then callinga repair person to do a simple thing for you...
No you don't need to change the compressor you need to change that fan and you need to change the start relay overload and capacitor that goes to the compressor. What is the model number of your refrigerator so I can look up your parts
you can check its starting components. it could be a bad capacitor or a bad start relay. if the compressor starts from cold, it could start right away but as it heats up, it should be able to start also, since after running for a few hours, the compressor will really get hot, it would stop at defrost cycle and re start again after about 30 mins. since it is still hot, if it has a defective starting components, it can not start and that is the time it would overheat.
in any case that the starting components are all ok, then you have a partially burnt compressor. it would run while cold and can not run when hot because the resistance of the wires changes as it gets hot. with this kind of problem, you need to replace the compressor. as you have said, the fan at the condenser is running. if the fan at the condenser is not running, that is also a cause for the compressor to overheats. i hope i was able to help...
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