Samsung RB215BSSB Service Manual - Page 66

Panel PCB Defect

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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. Start Is Forced Operation/Defrost selected? NO Does buzzing sound go off when plugging out and plugging in again? YES NO YES Check Lead Touch &foreign substances around PBA MAIN TEST/Change PCB 13-7) Panel PCB Defect 1) When PANEL PCB doesn 't light up Start Cancel Forced Operation/Defrost PCB is normal Is PANEL PCB normal? YES Is insertion of PANEL PCB Connector normal? • Check the left/right upper cabinet YES hinge connection according to the change of the door opening direction. Is insertion of PANEL PCB(CN50) Connector • Check the left/right upper door normal? hinge connection according to the change of the door opening YES direction. Is insertion of Upper Hinge Cover Connector normal? • Check the left/right upper cabinet hinge connection according to the YES change of the door opening direction. Is MAIN PCB 12V normal? (REG1) • Check the left/right upper door hinge connection according to the change of the door opening direction. No Problem / Re-Check 66 NO Change PANEL PCB NO Re-insert PANEL PCB Connector, Check contacts NO Re-insert MAIN PCB Connector, Check contacts NO Re-insert Connector, Check contacts NO Check REF(7812) part / Change PCB

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66
Diagnostics
2) When “Beep Beep” sound continues
1) When PANEL PCB doesn 't light up
YES
NO
Cancel Forced
Operation/Defrost
Is Forced
Operation/Defrost
selected?
Does buzzing
sound go off when plugging out
and plugging in again?
Start
NO
PCB is normal
YES
Check Lead Touch &foreign substances
around PBA MAIN TEST/Change PCB
• 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.
NO
NO
NO
NO
Change PANEL PCB
Is PANEL PCB normal?
Is insertion of PANEL PCB
Connector normal?
Is insertion of
PANEL PCB(CN50) Connector
normal?
Is insertion of
Upper Hinge Cover Connector
normal?
Start
YES
Re-insert PANEL PCB
Connector, Check contacts
Re-insert MAIN PCB
Connector, Check contacts
YES
Re-insert Connector,
Check contacts
NO
Is MAIN PCB 12V normal? (REG1)
Check REF(7812) part /
Change PCB
YES
No Problem / Re-Check
YES
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.
Note
13-7) Panel PCB Defect