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TROUBLESHOOTING
If buzzer does not sound
Buzzer is installed on the panel PCB in this model.
If buzzer does not sound when button is pressed, manual operation is started and door is opened,
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 assembly PCB 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?
Is the damage
or breakage of the buzzer in
the panel PCB?
Did lead of a component
fall on the vibration plate of
buzzer?
Does it make a
sound of 'dooropen' alarm when
you are opening the door of freezer or
fridge more than 3 minutes?
MAIN PCB normal,
BUZZER normal
Check the panel PCB with reference
of <how to check Panel Display>
Replace(repair) buzzer
Replace Panel PCB
Replace buzzer
Replace Panel PCB
Recheck the button pressing
force and mechanical problem