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

1. undefined: 1. Identify symptom: harvest failure (upper heater) or slow-melting heating / cloudy ice (lower heater). 2. undefined: 2. Check upper heater resistance — should be 14.1-16.3 ohm. If open, replace upper heater. 3. undefined: 3. Check lower heater resistance — should be 14.1-16.3 ohm. If open, replace lower heater. 4. undefined: 4. If heater resistances are normal, check icemaker tray position and carry out test mode using test switch. 5. undefined: 5. If no issue with heaters or mechanism, check Main PCB and harness from Main PCB to icemaker. 6. undefined: 6. If icemaker tray stays open for more than 1 minute or never stops movement, replace icemaker.

LG Refrigerators

Error Code IU E

Abnormal F-Room Icemaker Kit Operation

Moderate

Address soon - your appliance may not work properly

How to Fix

1
1. Identify symptom: harvest failure (upper heater) or slow-melting heating / cloudy ice (lower heater).
2
2. Check upper heater resistance — should be 14.1-16.3 ohm. If open, replace upper heater.
3
3. Check lower heater resistance — should be 14.1-16.3 ohm. If open, replace lower heater.
4
4. If heater resistances are normal, check icemaker tray position and carry out test mode using test switch.
5
5. If no issue with heaters or mechanism, check Main PCB and harness from Main PCB to icemaker.
6
6. If icemaker tray stays open for more than 1 minute or never stops movement, replace icemaker.