Question about Kenmore Elite 22.4 cu. ft. Bottom Freezer Refrigerator with Adjusta Cube Ice Maker
Our fridge is 6 months old. The LCD display panel on the front is now showing "Er dH". There is no mention of any messages in the manual. Where do I find what this means.
The manual given to me says it covers models 795.7765* and 7757*. My model # should be one of those.
The Er DH error code indicates the temperature sensor on the evaporator coil did not reach 50 degrees within one hour.
This would indicate the control board did put the refrigerator through a defrost cycle.
This problem could be caused by a defective relay on the control board, a defective defrost heater, a broken wire to the heater, or a stopped up drain on the defrost pan causing ice to form on the evaporator coil.
Before replacing the control board, someone should remove the food from the freezer, remove the freezer drawer, and remove the evaporator cover to expose the evaporator coil, heater, and defrost sensor.
The voltage to the defrost heater should be 120 volts ac.
The defrost heater is part of the evaporator coil and is not replaceable as a separate part.
You can test the operation of the defrost system by pressing "Ultra Ice" and "colder freezer temp" for 3 seconds.
The first time you press and hold the buttons the board will test the compressor, fan, and open the damper.
All displays should be on.
The second time you press and hold the buttons the board will test the compressor, fan, and close the damper.
The third time you press and hold the buttons, the board will turn the compressor and fan off and turn the defrost heater on for around 25 minutes. This would let you know if the defrost system is working.
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Posted on Sep 26, 2010
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