How to test defrost system

Refrigerator & Freezer Repair
1

Hello guys this fridge is just past warranty, appliance outlet sent out sub-contractors on 3-4 occasions they all replaced defrost control board,heater and thermister every time and repair would last a couple of month’s and evap. would freeze up again.I would like to know what the best way to put fridge into defrost manually? I ohmed out evap.motor at 200k got nothing 0 but it runs, also got ohms off the heater and thermister but dont have specs, any sugestions would be greatly appreciated. Thanks in advance! George

2

According to Whirlpool,
Unplug the refrigerator unit for about 30 seconds, and turn the thermostat located inside the refrigerator down to warm or off.

  • Reconnect the refrigerator to the wall. The adaptive defrost control should turn on in less than 10 seconds, and stay in defrost for about 20 minutes

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