LG Refrigerator Error Code EIU — Ice Maker Assembly Failure
What this means
The EIU error code on LG refrigerators indicates a complete failure of the freezer compartment ice maker assembly. Unlike the EID code which targets just the sensor, EIU means the entire ice maker mechanism — including the motor, heater, and ejector — has malfunctioned. The ice maker will not cycle, produce, or dispense ice. This error is common on LG French Door, InstaView, and Craft Ice refrigerator models. Professional repair is required to resolve this error.
Alternate codes: E IU
Step-by-step fix
4 stepsPower-reset the refrigerator
Unplug the refrigerator for 5 minutes, then plug it back in. Monitor the display to see if the EIU code clears. Occasionally a power surge can cause a false EIU reading.
If the code clears but ice production does not resume within 24 hours, the assembly may still have an intermittent fault.
Check for ice jams in the ice maker
Open the freezer and inspect the ice maker tray and ejector arms for large ice clumps that may have jammed the mechanism. Carefully remove any ice obstructions by hand or with warm water.
Never use sharp tools to chip ice — you risk puncturing the ice tray or damaging the ejector arms.
Inspect the ice maker wiring harness
Remove the ice maker cover and check all wire harness connectors for secure connections. A loose connector between the ice maker and the main board can trigger an EIU code.
Photograph all connections before disconnecting anything for reference during reassembly.
Replace the ice maker assembly
If the code persists, the entire ice maker assembly must be replaced. Remove the mounting screws, disconnect the wiring harness, and install the new assembly. Reconnect all harnesses and test.
Run a test cycle after installation by pressing the Test button on the ice maker (if equipped) to verify proper operation.
When to call a professional
EIU errors almost always require professional repair. The ice maker assembly replacement involves electrical connections and refrigerator disassembly that are best handled by a certified LG technician.
Related error codes
Information compiled from manufacturer service manuals, official troubleshooting documentation, and appliance repair industry resources. This guide is for informational purposes only — always consult a qualified technician for complex repairs.
Learn more about our sourcesParts you may need
Ice Maker Assembly
Part #AEQ73110212 · $120–$200
Required if the ice maker assembly has failed
Craft Ice Maker Assembly
Part #AEQ75910410 · $180–$280
For Craft Ice models — includes motor, heater, and ejector
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