– 21 –
Does Continuity exist between:
Main Control Board J-9 to Defrost Heater Blue wire?
Overtemperature Thermostat to the Power Cord Orange wire?
Overtemperature Thermostat to Defrost Heater Pink wire?
Replace the overtemperature thermostat.
Does the defrost heater work?
Yes
No
Repair faulty
wiring.
Replace the main control board.
No
Replace the defrost heater.
Does the defrost heater work?
No
Defrost Heater Does Not Work
Summary of Contents for GSS20 Series
Page 26: ... 26 Wiring Diagram ...
Page 27: ... 27 Illustrated Parts Catalog ...
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