How do I fix error code E IU on my LG LRMDS3006S?

1. undefined: Verify ice does not drop when I/M Test Switch is pressed, or check connection and resistance of icemaker components. 2. undefined: Check Upper HTR (Red) resistance. Expected: 141~163 ohm. If open (OL), replace the upper heater or icemaker assembly. 3. undefined: Check Lower HTR (White) resistance. Expected: 22.3~25.7 ohm. If open (OL), replace the lower heater or icemaker assembly. 4. undefined: Check all wiring connections from main PCB to icemaker. 5. undefined: Carry out test mode with test switch on icemaker to verify mechanical operation. 6. undefined: If main PCB and harness check good, replace the icemaker assembly.

LG LRMDS3006SRefrigerator

Error Code E IU

Freezer Room Icemaker Kit Error

Moderate

Address soon - your appliance may not work properly

Also displayed as: IU E

How to Fix

1
Verify ice does not drop when I/M Test Switch is pressed, or check connection and resistance of icemaker components.
2
Check Upper HTR (Red) resistance. Expected: 141~163 ohm. If open (OL), replace the upper heater or icemaker assembly.
3
Check Lower HTR (White) resistance. Expected: 22.3~25.7 ohm. If open (OL), replace the lower heater or icemaker assembly.
4
Check all wiring connections from main PCB to icemaker.
5
Carry out test mode with test switch on icemaker to verify mechanical operation.
6
If main PCB and harness check good, replace the icemaker assembly.