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How to enter defrost mode in a Whirlpool side-by-side refrigerator with electronic defrost

Posted by Samurai Appliance Repair Man, in Refrigerator Repair 23 May 2011 · 3,800 views

ADC board refrigerator

ADC Board: Part number: W10366605

Part number: W10366605


do one of the following options, then do "ENTER TEST MODE"

OPTION #1 (BI-METAL CLOSED)
1) POWER OFF TO REFRIGERATOR FOR AT LEAST 30 SECONDS
2) THERMOSTAT OFF
3) POWER ON TO REFRIGERATOR

OPTION #2 (BI-METAL CLOSED)
1) THERMOSTAT OFF 15 SECONDS
2) THERMOSTAT ON 5 SECONDS
(REPEAT STEPS 1 & 2 TWO MORE TIMES)
3) THERMOSTAT OFF

then:
ENTER TEST MODE
IN 3-8 SECONDS, CONTROL WILL TURN ON DEFROST HEATER.
DEFROST HEATER WILL TURN ON FOR 21 MINUTES OR UNTIL BI-METAL OPENS.
TO TERMINATE TEST EARLY, REMOVE POWER FROM REFRIGERATOR.
NOTE: IF OPTION #2 DOES NOT WORK, TRY OPTION #1 BEFORE REPLACING CONTROL
ALWAYS CHECK CONNECTIONS BEFORE REPLACING CONTROL
HELPFUL HINT: UPON ENTERING TEST MODE, A RELAY TURNS OFF THE COMPRESSOR AND TURNS ON THE DEFROST TIMER.
LISTEN FOR THE RELAY TO CLICK. IF RELAY CLICKS ONCE UPON ENTERING TEST MODE, CHECK FOR DEFROST HEAT.
IF RELAY CLICKS TWICE, CHECK FOR BI-METAL OPEN.
WARNING: IF BI-METAL IS BY-PASSED FOR TESTING, DO NOT OVERHEAT EVAPORATOR AREA





Source: Whirlpool ED5HVAXVLOO side by side refrigerator with ADC, getting into defrost mode




Excellent info. I was working on one of these just the other day and wondering what the sequence of forced defrost was.
option 1 is much easier
I've never had any luck with either option....only thing I can figure is that in every case I've had bad boards. No problem with GE or anything with mechanical timer. But the Whirlpool makes me think I'm jinxed...

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