LG LFX28968D - Communication Error Troubleshooting; Communication Error Diagnosis

Symptom Check Point
1. E CO 1. Check the loose connection
2. Check the Hinge connection
8-10. Communication Error (E CO)
Voltage [V]
CON101
5
th
pin ~ 6
th
pin
12V
CON101
4
th
pin ~ 5
th
pin
Not 0V, 5V
CON101
5
th
pin ~ 3
rd
pin
Not 0V, 5V
CON5
4
th
pin ~ 6
th
pin
Not 0V, 5V
CON5
4
th
pin ~ 8
th
pin
Not 0V, 5V
Display
CON1
CON201
CON4
CON5
CON6
CON7
CON2 CON3