Model reference

LG GMT56QC

Name: LG GMT56*Q*C
Brand: LG

Refrigerator

1 document5 error codes4 service modes

Available documentation

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R0 on my LG GMT56*Q*C

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Refrigerator sensor failure — short or

From Service Manual 148556, p.48:

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

CodeMeaning

Reset (from Test Mode)["While in Test Mode 2, short-circuit the TEST jumper pads on the main PCB 1 additional time."]
Reset (Test Mode exit)["While in Test Mode 2, short-circuit the TEST jumper on the PCB one more time."]
Test Mode 1["Short-circuit the TEST jumper on the PCB one time."]
Test Mode 2["While in Test Mode 1, short-circuit the TEST jumper on the PCB one more time."]

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

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