Samsung RH25H561 Series Service Manual page 56

TROUBLESHOOTING
3) If a buzzer does not sound
This model has a buzzer on the Panel PBA. If the buzzer does not sounds when button is pressed, Forced
Operation, door open and disconnection with Main PBA, check out defective soldering on PBA or buzzer
damage. (It is recommended replacing Panel PBA if components are damaged)
※ It could be unable to hear in case there is heavy noise or built-in environment.
Check the button press force and structural
Start
"DingDond"
Sounds when a button on the
display panel is pressed
YES
Door alarm
sounds after any of doors
are open over 2 min.
NO
The Buzzer surface is
broken or bended.
NO
Buzzer lead comes off
from the vibration plate.
NO
design (Door Sensing)
NO
Check & Replace a buzzer
on Panel PBA
YES
Normal
YES
Buzzer Breakage
Replace Buzzer or Panel PBA
YES
Replace Panel PBA
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