Samsung RF4287HARS Service Manual page 88

AW3 SM-EN 2011.3.31 2:56 PM 페이지89 in
TROUBLESHOOTING
③ If buzzer does not sound
Buzzer is installed on the panel PCB in this model.
If buzzer does not sound even though the button is pressed, manual operation is started and door
is opened, it should separate panel PCB and check the breakage of buzzer and bad soldering.
It is very hard to repair the panel PCB because it consists of SMD assemblies.
It is recommended to replace PCB assembly when the failure associated with panel is occurred
except the minor error such as switch pressing error, surface peeling off and so on.
Start
Does it sound
'dingdong' if press a button
on the front panel?
Does it make
a sound of 'dooropen'
alarm when you are opening the door
of freezer or Fridge more than 3
minutes?
Is there any damage
or breakage of the buzzer in
the panel PCB?
Did lead of a component
fall on the vibration plate of
buzzer?
Recheck the button pressing
force and mechanical problem
MAIN PCB normal,
BUZZER normal
Check the panel PCB with reference
of <how to check Panel Display>
Replace Panel PCB
Replace Panel PCB
89