How do I fix error code E IC on a LG refrigerators?

1. undefined: Check all wiring harness connections between main PCB and ice maker assembly. 2. undefined: Inspect Sub PCB connections at CON1 for the ice maker signal lines. 3. undefined: Measure Sub CON1 signal voltages (8th Pin to 33rd Pin and 10th Pin to 33rd Pin). Expected: not 0 or 5 V. 4. undefined: If signals are static, check Sub PCB connector seating — replace Sub PCB if connector is good. 5. undefined: If Sub PCB and harness pass, replace the main PCB.

LG Refrigerators

Error Code E IC

Ice Maker Communication Error

Moderate

Address soon - your appliance may not work properly

How to Fix

1
Check all wiring harness connections between main PCB and ice maker assembly.
2
Inspect Sub PCB connections at CON1 for the ice maker signal lines.
3
Measure Sub CON1 signal voltages (8th Pin to 33rd Pin and 10th Pin to 33rd Pin). Expected: not 0 or 5 V.
4
If signals are static, check Sub PCB connector seating — replace Sub PCB if connector is good.
5
If Sub PCB and harness pass, replace the main PCB.