Fix Steps:
1
Check door gasket for tears or gaps - replace if damaged
2
Ensure freezer door closes fully and is not left ajar
3
Verify door hinges are tight and door aligns properly
4
Reduce door openings and duration door stays open
5
Check if drain hole at back of freezer is blocked - clear with warm water
6
Ensure defrost timer is advancing properly (listen for click every 8-12 hours)
7
Verify defrost heater is working (requires multimeter test)
8
Check if defrost thermostat is functioning
9
Remove all ice buildup: Empty freezer, unplug 24 hours, keep door open
10
Check evaporator fan operates when door is closed