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
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