Samsung RF20HFENB, Service Manual

Page: 54 / 67

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If buzzer does not sound
If buzzer does not sounds when button is pressed, manual operation is started, or door is opened,
separate Main PCB and then check the breakage of buzzer, bad soldering, etc.
(It is recommended to replace Main PCB when the failure of parts is occurred after checking.)
Start
Does it sound
'Dingdong' if press a button
on the frontpanel?
Is the breakage
or damage of the buzzer
in the Main PCB?
Recheck the button pressing force and
mechanical problem
Check if the lead of component is
fallen from the vibration plate of
Buzzer or not.
Does it make
a sound of 'Door Open'
alarm when opening the door of
freezer or fridge more than
2 minutes?
Main PCB is normal & BUZZER is
normal
Check the panel PCB with referring
"How to check Panel Display"
Replace Main PCB
54
TROUBLESHOOTING