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compressor running but fridge not cooling

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My fridge runs but doesn't cool. Light comes on when door is open, fan spins. Compressor switches off and on

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Old 07-22-2013, 11:38 PM
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Default compressor running but fridge not cooling
Model Number: WRM2400WC   Brand: White-Westinghouse   Age: 1 - 5 years   

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My fridge runs but doesn't cool. Light comes on when door is open, fan spins. Compressor switches off and on again when I turn off the thermostat and then turn it on again.

When I checked resistance of the windings in the JiaxIpera JK1080Y compressor they were: S to C 22.5 ohms, M to C 33.8 ohms and M to S 56.2 ohms. Is this within specs . It seems high looking at the other threads. If outside specs then is the compressor faulty. It seems to run OK. If it is faulty what causes the resistance in wirings to increase and what effect does it have on the compressor?

The 4uF run capacitor tested at 3.8uF.

Could it be a coolant leak although I can see no obvious signs? I can hear coolant moving in the condenser but the tubing is only warm close to the compressor output although the compressor gets very warm as well and maybe that warms the tubing. The input from the evaporator is cool.

Any advice you can offer would be greatly appreciated. Kind thanks.


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  #2 (permalink)  
Old 07-23-2013, 06:06 AM
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I cannot find any tech data on your unit.

Pull the cover in the freezer so you can inspect the evaporator coils.

If they are heavily frosted/iced over you have a defrost problem.

If there is frost in just one area (usually where the freon enters the coils) then you have a sealed system problem and it will be an expensive repair as you need a pro.

If there is no frost then again it is a sealed system problem.

Make sure the compressor has run for an hour or so. If you check the coils during or shortly after a defrost cycle you could end up with the wrong conclusion.

Another symptom for the above problems is that the compressor will run all the time except when in a defrost cycle.

Make sure that the compressor is running you can usually hear it but also should be able to feel it vibrating.
Also the windings etc. could check out OK and there may still be a compressor problem re: it may have internal mechanical problems.

Could it be a coolant leak although I can see no obvious signs?
Yes
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  #3 (permalink)  
Old 07-23-2013, 08:07 PM
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Default alas can't get to evap coil

Thanks for your reply.

This fridge doesn't have a freezer. It is one half of a pigeon pair and is the stand alone fridge side. The other free standing half is a freezer (which I don't own).

To see the evap coil I would need to remove the back of the fridge as the inside is a solid piece of moulded plastic. The condenser is fastened to the back of the fridge.

I can hear the compressor running and feel it vibrating. When I place a screwdriver on it and to my ear I can hear the motor working.

I guess it looks like a cooling system problem. Although parts are covered under warranty labour is not. Only 3 years old and it looks like a new fridge.
Thanks again for your advice
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