Samsung RSJ1K Series Service Manual page 72

TROUBLE SHOOTING
3) No Buzzer Sound
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)
72
NO
Check & Replace MAIN
PCB BUZZER
YES
Normal
YES
BUZZER Breakage ----
Replacement
YES
Replace MAIN PCB