Samsung RB31FEJNB Series Service Manual page 74

4. TROUBLESHOOTING
③ No Buzzer Sound
This model has a buzzer affixed on the MAIN PCB.
If there is no buzzer sound upon button press, Forced Operation or Door Open, disconnect MAIN PCB and
check if the buzzer is damaged or there is any defective soldering.
(If it is not a soldering problem, it is recommended replacing MAIN PCB due to difficulties in repairing)
※ It may not be able to check when it is a closed built-in environment and there is lots of noise around.
Start
"DingDong" sound
goes off when a button on the display
panel is pressed.
Yes
Door Alarm goes off when
any one of Fridge & Freezer doors
remains being open over 2 minutes.
No
Any breakage or kink
in MAIN PCB BUZZER
No
Solder lead comes off the
BUZZER vibration plate.
No
Check the button pressing force and
structural design (Door Sensing)
74
No
Check & Replace MAIN PCB BUZZER
Yes
Normal
Yes
BUZZER Breakage ----
Replacement
Yes
Replace MAIN PCB