Kenmore refrigerator model 596.79279993, mfg # P1325019WB,serial 0009119112, 21.7 cubic ft, freezer on the bottom model.
Condenser coils are totally clean and condenser fan is running. Condenser coils feel close to ambient temperature (not noticably warm). Evaporator coils (located in the rear of the freezer compartment behind a sheet metal cover) are frost free and the evap fan is running. Air is blowing from freezer into frig like it is suppose to. Return air passage from frig to freezer is clear. Compressor runs continuously, surface is about 10 degrees warmer then ambient, it sounds normal and slight hum can be felt. Lights in frig and freezer shut off when doors are closed - like they should. Defrost timer rotates as time passes.
Today I emptied the contents and unplugged. I removed the back panel in the freezer compartment to inspect. The evaporator coils were totally frost free. Let the unit sit for six hours with doors open with a fan blowing inside - no condensate formed anywhere, nothing in the drip pan.
I then turned it back on. The suction tube exiting the evaporator coil became frosty in 5 minutes, but the frost never spread more then a few inches after several hours of running.
The temperature in the frig is now + 40 degrees and freezer is + 25F degrees even though both controls are set at maximum cold setting (7) and it has ran 8 hours with nothing in either compartment.
Unit is 9 years old and has worked fine until two weeks ago when I noticed the food in the freezer was not frozen very solidly (temperature was 25 degrees F).
Any thoughts? Freon low? Anything else I should check or test witha multimeter?
SOURCE: inside fan motor - evaporator
Yes if you dont hear the evap fan wprking remove rear panel in freezer let me know what you see. Is coil iced over? Is fan running? Is the motor warm? Attempt to spin the blade gently to see if the motor is bound. You can oil these.
SOURCE: evaporator fan blade jams in ice buildup
check the defrost bimatal or defrost thermanstat it will be located on the evaperator suction line (large line) it should read continuity with the ref cold if it showes continuity then the defrost timer is the problem
SOURCE: Kenmore Fridge #596
i found the defrost timer for my Kenmore 596.62239200 / freezer on bottom. it was in the top of the refrigerator compartment behind the light bulb console. had to remove the light bulb cover and then there are two visible screws that hold the defrost timer to the light console. the timer is up on top of the console and is not easily seen. ordered parts on www.repairclinic.com.
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I have a very similar problem. Timer has been replaced. All fans running, compressor is running fine. Could this be a faulty thermostat or more likely to be a low charge ? Fridge is 17 years old.
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