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Why does my Whirlpool refrigerator model ED25TQXGWOO stay in the defrost cycle too long?
by Manage My Life Last activity date:
The freezer stays off (defrosts) long enough to turn ice cream and tube pops to liquid. It comes back on and freezes them solid again. I cleaned the bottom coils. I removed the back freezer panel but found no ice build-up. The evaporator was clean. The fans work properly. The cross flow air is good and I find no blocked vents. The refrigerator seems to cycle properly. It does not run constantly. The parts list calls for what seems to be a motor clock with a 10 hr. defrost cycle. Does this refrigerator have a bad clock unit? Is there a sensor somewhere like on the tubing at the top of the evaporator coil that could be bad? How long should it be in the defrost cycle every 10 hrs? Thank you!
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Given your symptoms, it is likely that the defrost timer has failed. The refrigerator does have a defrost timer that causes the unit to go into a defrost cycle every 10 hours of cumulative compressor run time. The defrost cycle will normally take about 30 minutes. There is a bi-metal thermostat that shuts off the evaporator heater if the temperature rises to 50 degrees, but the bi-metal thermostat will not affect the stalled or slow timer that you are describing. There is not an affective way of testing the defrost timer in this unit. You can manually advance the timer with a screwdriver if it is stuck in the defrost mode until you can replace it.
by Lyle W |
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