13-7) Panel Pcb Defect - Samsung RB215B Series Service Manual

Diagnostics
2) When "Beep Beep" sound continues
Note
1. "Beep-Beep"sounds do not go off except Forced Operation &Forced Defrost.
2. It is checkable at Panel PCB when Forced Operation or Forced Defrost is selected,so when
error occurs, check it and correct the error.
Operation/Defrost
sound go off when plugging out
and plugging in again?
Check Lead Touch &foreign substances
around PBA MAIN TEST/Change PCB

13-7) Panel PCB Defect

1) When PANEL PCB doesn 't light up
• Check the left/right upper cabinet
hinge connection according to the
change of the door opening
direction.
• Check the left/right upper door
hinge connection according to the
change of the door opening
direction.
• Check the left/right upper cabinet
hinge connection according to the
change of the door opening
direction.
• Check the left/right upper door
hinge connection according to the
change of the door opening
direction.
Start
Is Forced
selected?
NO
Does buzzing
YES
Start
Is PANEL PCB normal?
YES
Is insertion of PANEL PCB
Connector normal?
YES
Is insertion of
PANEL PCB(CN50) Connector
normal?
YES
Is insertion of
Upper Hinge Cover Connector
normal?
YES
Is MAIN PCB 12V normal? (REG1)
No Problem / Re-Check
YES
Cancel Forced
Operation/Defrost
NO
PCB is normal
NO
NO
NO
NO
NO
66
Change PANEL PCB
Re-insert PANEL PCB
Connector, Check contacts
Re-insert MAIN PCB
Connector, Check contacts
Re-insert Connector,
Check contacts
Check REF(7812) part /
Change PCB