6. Self Diagnosis & Trouble Shooting
To do list
6-10. If Pantry Panel PCB is not working normally
YES
Is the lighting
operated when replace Pantry
Panel-PCB?
NO
YES
If Panel Key is not selected
Is a key pressed
continuously?
Is the PCB system
still operated by separating
of the mechanism?
Reassemble PCB ASS'Y /
Enforce the cancelation of
pressed keys
Reassemble PCB ASS'Y /
Enforce the cancelation of
pressed keys
②
If Panel PCB Key is not selected
※
If it is not repaired with the above basic checking method
NO
Pressed
NO
Operated by
separation
Panel PCB itself has trouble.
①
Check the wires of Pantry Room - disconnection, short between wires
②
Recheck the control circuit of MAIN PCB Pantry Panel
③
Check the wire assembling between Panel and MAIN
201