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

1. undefined: Check the connector housing between the display PCB and the Wi-Fi PCB lead wire for looseness. If loose, reconnect. 2. undefined: With Wi-Fi function enabled, measure output voltage of Wi-Fi PCB at its connector pins 5-6. Expected: Not 0V or 5V. If voltage is stuck at 0V or 5V, replace the Wi-Fi modem PCB. 3. undefined: Measure display PCB output voltage at CON101 pins 9-6 and 8-6. Expected: Not 0V or 5V. If signal is stuck, replace the display PCB. 4. undefined: If all voltages are correct, explain to customer.

LG Refrigerators

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

How to Fix

1
Check the connector housing between the display PCB and the Wi-Fi PCB lead wire for looseness. If loose, reconnect.
2
With Wi-Fi function enabled, measure output voltage of Wi-Fi PCB at its connector pins 5-6. Expected: Not 0V or 5V. If voltage is stuck at 0V or 5V, replace the Wi-Fi modem PCB.
3
Measure display PCB output voltage at CON101 pins 9-6 and 8-6. Expected: Not 0V or 5V. If signal is stuck, replace the display PCB.
4
If all voltages are correct, explain to customer.