Question about Refrigerators
My Kenmore 596.72822200 keeps humming and clicking on and off and it seems to be affecting the temp of my freezer and fridge.
I have thoroughly cleaned the coils and back of the refrigerator.
Before giving up on the compressor you should do the following:
1. The compressor is evidently not running. You can try to start it manually instead of allowing the refrigerator start unit to do so. If it then runs you need a new start/overload unit...about $20 to $60 depending on where you get it. Do not continue to allow the unit to cycle off and on with the overload as that can eventually cause compressor harm. To start it manually the best way is to unplug the frige and completely unhook everything from the 3 compressor terminals. If your unit has a start capacitor you should then short it with a wire or screwdriver to discharge the capacitor to prevent you from being shocked with the fridge even unplugged. Then make up a test setup with wire so that you can apply 120 vac between the run (R) and common (C) terminals. The test set up wiring should include a push button switch to make momentary connection between the start(S) and run(R) terminals. Then with your wiring connected as described plug the test wiring into an outlet and push the button for 2 or 3 seconds and then release. Do not hold the button down longer. The compressor should start and run. If it starts your compressor is ok. If it does not start to run then your compressor may be bad...or...it may be stuck internally with a speck of grit or something and it may still be possible to get it unstuck with additional procedures. If the compressor runs starting it manually you can turn your thermostat to very cold and the compressor will continue to run perhaps long enough for you to buy the start/overload replacement parts and keep your food from thawing.
2. If the compressor will not start manually then according to "Modern Refrigeration & Air Conditioning" bookby althouse/Turnquist/Bracciano you can perhaps start the stuck compressor by:
A."Connect the 120 vac motor compressor into a 240 vac power circuit using a starter cord. One must be careful. Press the push-button switch for only a second at a time or the motor will be damaged. the extra voltage may break the stuck compressor loose."
B. "An extra torque method is to connect a 240 V, 100 mfd(microfarad) start capacitor across the terminals of the run capacitor for no more than one second. (Count "one thousand one.") This may free the compressor.
If none of the above starts your compressor it will need to be replaced.
Posted on Aug 21, 2009
This is probably due to a bad compressor. Humming and clicking noise comming from the compressor is typical of a bad or over heated compressor. Since you said that you cleaned the condensor coil and fan I would bet that the compressor is bad. This will affect temp of the fridge.
Posted on Nov 15, 2008
That is so true. But when you know it's right to consider them your everything, that's when you gotta take a chance.
Posted on Sep 26, 2010
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Posted on Jan 02, 2017
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