Model reference

LG GR-G392DM

Name: LG GR-G392DM
Brand: LG

Refrigerator

1 document3 error codes3 service modes

Available documentation

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M+ Max·LG Refrigerator

R1 R2 R3 R4 on my LG GR-G392DM

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Faulty R sensor - The refrigerator

From Service Manual 264619, p.31:

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

2.Measure control board supply voltage at test points. Expected: 12 VDC and 5 VDC.

3.Inspect all connectors on the main control for corrosion or backed-out pins.

Part EBR73304205

Main control board

CodeMeaning

Quick Defrost Test (Production/Service)If refrigerator compartment temperature is sensed lower than 25°C, unplug the refrigerator and plug…
Test Mode 1Push the Test Key on Main PCB once.
Test Mode 2Push the Test Key once while in Test Mode 1.

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

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