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Author Topic: GE SXS fridge,built-in,how to test the defrost timing,model ZISS480DMASS  (Read 248 times)

Offline shillion

  • Technician
  • Member Since: Jan 2011
  • Posts: 390
  • Country: ca
  • I have been repairing appliances since 1983

My customer has this GE fridge that does not defrost according to the set programme.The thermistors ,the heater,and the defrost termination thermostat are good and would defrost if I jump the terminals on the computer board.How can I test this board to find out what is the problem?Any body knows how?I don't know a new control board will fix the problem.