61
TROUBLE SHOOTING
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.
3) No Buzzer Sound
Start
Check & Replace MAIN
PCB BUZZER
"DingDong"
sound goes off when a
button on the display panel is
pressed.
Normal
YES
01
;'5
01
&QQT#NCTOIQGU
QPHQTUGERGTOKPYJGPCP[QPG
QH(TKFIG(TGG\GTFQQTUTGOCKPUDGKPIQRGP
QXGTOKPWVGU
BUZZER Breakage ----
Replacement
YES
Any breakage or kink
in MAIN PCB BUZZER
NO
YES
Solder lead comes off the
BUZZER vibration plate.
NO
Replace MAIN PCB
Check the button pressing force and structural
design (Door Sensing)
Ć
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