Freezer Frosting Up (Refrigerator)
Heavy frost in a freezer is a defrost-system fault — heater, sensor, or timer.
Error codes tied to this symptom
LG DH Degraded
A defrost cycle ran beyond one hour without completing. On a LG Refrigerator, code DH points to the defrost heater.
LG DS Degraded
The defrost sensor is open or shorted. On a LG Refrigerator, code DS points to the defrost sensor.
Samsung 33E Degraded
The ice-pipe heater reported a fault. On a Samsung Refrigerator, code 33E points to the ice pipe heater.
Samsung 5E Degraded
The fridge defrost sensor reported a fault. On a Samsung Refrigerator, code 5E points to the defrost sensor.
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