Check Damper – Not Closing

The defrost damper does not close properly, preventing proper airflow during refrigeration.

Possible causes

Obstruction by ice or debris
Defective damper solenoid
Damaged or bent mechanical linkage
Wiring or electrical connection failure

Recommended actions

Visually inspect damper for ice or damage
Check solenoid operation via component test
Lubricate or repair mechanical linkages
Verify continuity in damper wire harness

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