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LG
Refrigerator
Data independently verified by Elite B2B Technicians
Diagnostic Complet

Error Code Communication Error LG

Symptom / Description

Communication Error is displayed.

Root Cause

Loose connection (Display PCB, Hinge, CON6), defective Display PCB, defective Main PCB.

Repair Instructions

UNLOCKED

Reconnect Display PCB, Hinge, and CON6. Check output voltages (Display PCB: pin3 & pin5 of CON101, 0 ~ 5V; pin4 & pin5 of CON101, 0 ~ 5V. Receiver/Transmitter: pin4 & pin5 of CON6, 0 ~ 5V). Replace Display PCB or Main PCB.

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