51
Diagnostics
11-6) If the panel PCB is not working normally:
1) When the entire Panel PCB does not light up or a portion of LCD does not light up
2) When the Panel PCB button does not work
- When the problem is not corrected with the above checking methods
Is the connector of Fre Upp
Hinge Cover inserted correctly?
Start
Insert Connector correctly,
Repair contact error
Is Main PCB Connector (CN50)
inserted correctly?
Insert Main PCB
Connector correctly
I s Door Panel PCB Connect or
inserted correctly
Insert Connector correctly,
Repair contact error
1. F-Door Wire Check –Wi re Cut/Short
2. F-CABI Wire Check –Wire Cut/Short
3. Main PCB Panel Lamp Circuit -Short/Open Check
1. F-Door Wire Check – Wire Cut/Short
2. F-CABI Wire Check – Wire Cut/Short
3. Main PCB Panel Comm/Power Supply Circuit -Short/Open Check
NO
NO
YES
YES
NO
Defective Panel PCB
YES
YES
Does it light up normally after
Panel PCB is replaced?
NO
NO
Check after unlocking the system
YES
Is Lock lamp on?
YES
Reassemble PCB Ass’y/
Ease the button
Kept being
pressed
Is a same button kept being
pressed down?
YES
Reassemble PCB Ass’y/
Ease the button
Work after
disassembly
Doesn ’t it work even after
PCB mechanical parts are
disassembled?
NO
Defective Panel PCB
YES
Does it light up properly
after changing Panel PCB?
�
Refer to Circuit Diagram
in this manual or on the
back of the product.
�
When the Panel button
does not work
