Frig keeps freezing up ... Is there anyway to troubleshhot?
My guess is the adaptive defrost control or the heater defroster may be bad. No clue what the defrost bimetal does. Any help greatly appreciated...
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Re: Defrost issue... Kenmore refrig model ET8MTMXKQ00
This can be bad door rubbers but also the de frost heaters...
You should open the fride inside at the back and see fi the heaters dit not brake, also check the timer,thermostat,and the fan.
The fans realy importand,with out it working your fridge would turn into a ice maker.lol.
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Check out the self defrosting mechanism on unit. could have a bad defrost timer and/or defrost element. Also check the damper control that sends cold air from freezer into the refrigerator compartment. If set too low your refrig will be warmer. Also check the thermostat setting and operation.
It could be two things. it is either the defrost heater or the time. (some models have adaptive timer. but before you guess here is how to check (be very careful) you need to get to the defrost heater and apply 120v directly to the heater. if the heater go on then the timer is bad. if the heater dont work then it is the heaters. in either case you must change the bi-metal t'stat along with the timer or the defrost heater.
Check and make sure the fan in the freezer is running. if not possible bad fan. If fan is running, check to see if you have any ice built up on back freezer wall. Normally frost type ice. If so, you may possibly have a bad defrost bi-metal mounted in the freezer section. Next could be a defrost timer control. Model number usally will help more in getting it right.
Check your condenser coil (should be below the refrig.). If dirty, you can clean it with a condenser brush from Home Depot or Lowe's. Turn the appliance off while cleaning. Be careful not to damage the refrigerant tubing (copper). If this doesn't solve the problem, then there may be an issue with the defrost thermostat, defrost heater(s) or the main temperature control assembly.
HI. that glow will be the defrost element. If that element continues to glow for a long period of time, longer than an hour, this will indicate that there are issues that concern the integrity of the defrost timer, or adaptive defrost control board. I would advise to shut off the power to the unit for five minutes. this will rest all the control boards that exist in the units structure. re-introduce the power to the unit, after the five minutes are up. If the element continues to glow, continuously, this will confirm that the defrost module has failed.(stuck in the defrost position). replace the either the defrost timer, or adaptive defrost control board(depending on the model), if the reset did not correct the issue.
I too had an aging frig with a similar problem. It's probably either your defrost timer or the defrost heating element. If you're handy, you can troubleshoot the problem yourself by following the suggestions found here. It's not a complicated fix, but if you are uncomfortable taking your refrigerator apart, then contacting a qualified repair person may be your best bet. Hope this information helps!
When the frig stops cooling properly, is it running at all? If the freezer fan is running and it is not cooling, you can rule out the thermostat and the defrost control. It would be a hard starting compressor or condenser fan. If the frig is not running, then it is likely the thermostat or your electronic defrost control. The defrost control is right behind the thermostat in the same housing. When you play with the Tstat, do it carefully as not to jar the defrost control. If the frig comes on, replace the thermostat.
MWKT, did the service tech replace the adaptive defrost board? By your post it sounds like a defrost problem. Check out the pic, this is the adaptive defrost board. I find that the heater and bi-metal usually don't fail on these models and the board is the culprit. Catriver..post back