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New Appliance Service Manual added: Whirlpool Service Pointer - Warm refrigerator compartment temperatures due to incomplete defrost


Samurai Appliance Repair Man

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File Name: Whirlpool Service Pointer - Warm refrigerator compartment temperatures due to incomplete defrost

File Submitter: Samurai Appliance Repair Man

File Submitted: 02 Dec 2014

File Category: Appliance Repair Manual Pot Luck Supper



Top Mount and SXS Refrigerators Warm Temperatures Due To Incomplete Defrost

Model Numbers: See Attached List

Customer’s Concern:
Ice may build up on evaporator over a period of time due to incomplete defrost cycles resulting in warm temperatures.

Cause:
ADC’s, adaptive defrost controls, initialize a defrost cycle based on several factors. These factors include the length of time
between previous defrost cycles and the length of the time the defrost heater is energized. It may be possible that abnormal
ambient temperature, humidity, interior heat load, and customer usage can result in the ADC not initiating a defrost cycle before
the frost accumulation becomes excessive. This may result in a small amount of frost or ice left on the evaporator coil the next
defrost cycle. Once this occurs, the accumulation of ice will gradually build over a period of time until the air flow through the
evaporator is restricted resulting in warmer temperatures.

Correction:
Eliminate the ADC routine built into the ADC control by cutting out a resistor on the board.

Procedure:
There are two types of ADC controls: ADC2000 and ADCWFI

SP# R8178769
PUB 8178769



Click here to download this file

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