Whirlpool GC1SHAXM manual Problem Possible Cause Test PROCEDURE-ACTION

PROBLEM	POSSIBLE CAUSE	TEST PROCEDURE—ACTION
Will not defrost.	Defrost heater.	Defrost can be initiated by disconnecting and
	Defrost bimetal / thermofuse.	reconnecting power. Main control board will
	Control board.	attempt to initiate defrost upon restart:
		• If bimetal is closed, defrost cycle will start.
		Relay on main control board will click one
		time.
		• If bimetal or defrost circuit is open, defrost
		cycle will not start, and the cooling cycle
		will begin. Relay on main control board will
		click twice (once to initiate defrost and the
		second time to switch back to cooling).
		Unplug refrigerator or disconnect power.
		Refer to “Component Testing” on page 5-2.
		Check for continuity through heater, bimetal,
		and thermofuse.
		Check for loose electrical connections.
		If all checks out, replace the main control
		board.
Refrigerator too cold or	Air door may be stuck or frozen	Check air door operation.
too warm.	open.	Unplug refrigerator or disconnect power.
	User interface may be malfunc-	Check resistance of refrigerator thermistor.
	tioning.	Replace user interface.

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