What does LG refrigerator error code Er Od mean?

Er Od means the Wi-Fi module lost communication with the control board. The refrigerator still cools normally. Power-cycle the unit and check your Wi-Fi network. Only smart features are affected.

Er Od

LG Refrigerator Error Code Er Od — Wi-Fi Modem Communication Error

Easy Fix 5–10 minutes No tools needed

What this means

The Er Od error code indicates the refrigerator's Wi-Fi modem or communication module has lost connection with the main control board. This affects LG ThinQ smart features including remote monitoring, diagnostics, and notifications. The refrigerator continues to cool and operate normally; only smart connectivity is affected.

Alternate codes: Od

Step-by-step fix

2 steps

Power-cycle the refrigerator

Unplug the refrigerator for 2 minutes to reset the Wi-Fi module, then plug it back in.

Check your Wi-Fi network

Ensure your home Wi-Fi is working and the router is within range. LG ThinQ uses 2.4GHz Wi-Fi.

When to call a professional

If smart features are needed and the Wi-Fi module has failed, a technician can replace it.

Related error codes

Er C1

The LCD display and water/ice dispenser have lost communication.

Advanced Fix · 30–60 minutes

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 sources

Parts you may need

Wi-Fi Module

Part #EAT64454802 · $25–$50

If the Wi-Fi module has failed

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Quick Info

BrandLG

ApplianceRefrigerator

Error CodeEr Od

DifficultyEasy Fix

Est. Time5–10 minutes