LG LFXS30796 Series Service Manual page 54

8-12. Communication Error (E CO)
Symptom
1. E CO
CN1
CON10
CON7
CON6
CON3
CON2
CON5
1. Check the loose connection
2. Check the Hinge connection
CON201
CON203
CON1
- 54 -
Check Point
Voltage [V]
CON101
7 th pin & 6 th pin
CON101
Not 0V, 5V
5 th pin & 6 th pin
CON101
Not 0V, 5V
4 th pin & 6 th pin
CON5
Not 0V, 5V
4 th pin & 6 th pin
CON5
Not 0V, 5V
4 th pin & 8 th pin
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CON101
12V