How do I fix error code E Od on my LG LF31T6230SW?

1. undefined: 1. Check all connectors and lead wires between Display PCB and Wi-Fi modem for loose connections. 2. undefined: 2. If any connection is loose, reconnect the housing and retest. 3. undefined: 3. While Wi-Fi function is on, measure voltage at CON101 Pin 2 to Pin 8. Expected: 5 V. If absent, replace Display PCB. 4. undefined: 4. Measure voltage at CON101 Pin 4 to Pin 8. Expected: Not 0 V or 5 V (varying). If stuck, replace Display PCB. 5. undefined: 5. Measure Wi-Fi PCB output voltage at Wi-Fi modem Pin 5 to Pin 6 while Wi-Fi function is on. Expected: Not 0 V or 5 V (varying). If stuck at 0 or 5 V, replace Wi-Fi modem. 6. undefined: 6. If all checks pass, explain to customer (intermittent Wi-Fi issue or network environment problem).

LG LF31T6230SWRefrigerator

Error Code E Od

Wi-Fi Modem Communication Error

Moderate

Address soon - your appliance may not work properly

How to Fix

1
1. Check all connectors and lead wires between Display PCB and Wi-Fi modem for loose connections.
2
2. If any connection is loose, reconnect the housing and retest.
3
3. While Wi-Fi function is on, measure voltage at CON101 Pin 2 to Pin 8. Expected: 5 V. If absent, replace Display PCB.
4
4. Measure voltage at CON101 Pin 4 to Pin 8. Expected: Not 0 V or 5 V (varying). If stuck, replace Display PCB.
5
5. Measure Wi-Fi PCB output voltage at Wi-Fi modem Pin 5 to Pin 6 while Wi-Fi function is on. Expected: Not 0 V or 5 V (varying). If stuck at 0 or 5 V, replace Wi-Fi modem.
6
6. If all checks pass, explain to customer (intermittent Wi-Fi issue or network environment problem).