Model reference

LG GL-478

Refrigerator

2 documents12 error codes4 service modes

Available documentation

Service Manual

LG Samsung GL 478 Service Document31 pg
Covers this model
LG Samsung GL 52831 pg
Covers this model

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Defrost Error: Although defrost

From Service Manual 321256, p.28:

1.Access service mode to confirm the active fault code and read stored error history.

2.Disconnect the sensor and measure resistance. Expected: 10 kΩ to 12 kΩ at 77°F (25°C).

3.Check the sensor harness for opens. A reading outside 5 kΩ to 50 kΩ indicates a failed sensor.

Part 6322FR2046G

Temperature thermistor

Error codes (12)

CodeMeaning

●◎◎◎◎Defrost Error ●◎●◎●F-FAN (Freezer Fan) Error ●◎●●◎C-FAN (Condenser Fan) Error ●●◎●●R-Sensor (Refrigerator Sensor) short or open circuit detected.●●●◎●D-Sensor (Defrost Sensor) short or open circuit detected.●●●●●RT-Sensor (Room Temperature Sensor) short or open circuit detected.2R-Sensor (Refrigerator Sensor) error 3D-Sensor (Defrost Sensor) error 4RT-Sensor (Room Temperature Sensor) error 5Defrost error 6F-FAN (Freezer Fan) error 7C-FAN (Condenser Fan) error

Service modes (4)

Initial Heater CHECKAutomatic at power ON
LED CHECK ModePress and hold the NOTCH button for more than 1 second.
TEST MODE 1 (Cooling Mode)Press TEST button once during normal operation
TEST MODE 2 (Defrost Mode)Press TEST button once while in TEST MODE 1.

Full entry steps, exit procedures, and test sequences are available in Max.

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