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Check the
Hinge (loose
connection)
Change the
Main PCB
Communication Error ( Er CO)
2
Check the voltage.
Is CON101 3
rd
pin ~ 4
th
pin
voltage 12V?
No
Yes
7
Explain to customer
1
Check the loose connection
Housing
Voltage
[V]
CON101
3
rd
pin ~ 4
th
pin
12V
Change the
Display PCB
3
Check the voltage.
Is CON101 3
rd
pin ~ 2
rd
pin
voltage 0V or 5V?
Yes
No
Housing
Voltage
[V]
CON101
3
rd
pin ~ 2
nd
pin
Not
0V, 5V
Change the
Main PCB
4
Check the voltage.
Is CON101 3
rd
pin ~ 1
st
pin
voltage 0V or 5V?
Yes
No
Housing
Voltage
[V]
CON101
3
rd
pin ~ 1
st
pin
Not
0V, 5V
Change the
Display PCB
5
Check the voltage.
Is CON7 9
th
pin ~ 10
th
pin
voltage 0V or 5V?
Yes
No
Housing
Voltage
[V]
CON7
9
th
pin ~ 10
th
pin
Not
0V, 5V
Change the
Main PCB
6
Check the voltage.
Is CON7 9
th
pin ~ 8
th
pin
voltage 0V or 5V?
Yes
No
Housing
Voltag
e [V]
CON7
9
th
pin ~ 8
th
pin
Not
0V, 5V
CON7
CON7
CON101
CON101
CON101
76