LG Refrigerator Error Code Er Ad — Door Motor Position Failure
What this means
The Er Ad error code appears when the door motor does not move to the maximum position or home position within 5 seconds. This applies to LG refrigerator models with an auto-door feature (Door-in-Door or InstaView models with powered doors). The motor that controls automatic door opening or closing has stalled or lost its position reference.
Alternate codes: Ad
Step-by-step fix
2 stepsPower-cycle the refrigerator
Unplug the refrigerator for 2 minutes to reset the door motor controller, then plug back in.
Check for obstructions
Make sure nothing is blocking the door's path of movement. Clear any items that may prevent the door from opening or closing fully.
When to call a professional
This error typically requires professional service. The door motor or its position sensor may need replacement.
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.
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