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

1. undefined: Step 1: Check all connectors between Display PCB and Wi-Fi modem — if loose, reconnect housing and retest. 2. undefined: Step 2: With Wi-Fi function on, measure voltage at CON101 pins 2-8 — expected NOT 0 or 5V; if 0 or 5V, check Display PCB output. 3. undefined: Step 3: Measure voltage at CON101 pins 4-8 — expected NOT 0 or 5V; if 0 or 5V, replace Display PCB. 4. undefined: Step 4: Measure Wi-Fi modem output voltage at pins 5-6 — expected NOT 0V or 5V; if 0 or 5V, replace Wi-Fi modem PCB. 5. undefined: Step 5: If all checks are normal, explain to customer.

LG Refrigerators2023–present

Error Code E Od

Wi-Fi Modem Error — Communication Error between Display MICOM and Wi-Fi Modem

Moderate

Address soon - your appliance may not work properly

What This Means

Defective Wi-Fi modem PCB; Poor communication connection between Display PCB and Wi-Fi modem; Poor Tx/Rx between display and Wi-Fi modem

How to Fix

1
Step 1: Check all connectors between Display PCB and Wi-Fi modem — if loose, reconnect housing and retest.
2
Step 2: With Wi-Fi function on, measure voltage at CON101 pins 2-8 — expected NOT 0 or 5V; if 0 or 5V, check Display PCB output.
3
Step 3: Measure voltage at CON101 pins 4-8 — expected NOT 0 or 5V; if 0 or 5V, replace Display PCB.
4
Step 4: Measure Wi-Fi modem output voltage at pins 5-6 — expected NOT 0V or 5V; if 0 or 5V, replace Wi-Fi modem PCB.
5
Step 5: If all checks are normal, explain to customer.