Samsung RFG297AABP - When Alarm Sound Continuous Without Stop(Related with Buzzer Sound)

80
TROUBLESHOOTING
4-2-8. When alarm sounds continuously without stop(related with buzzer sound)
Start
Door is ajar
Start
Is door closed
completely?
Is water penetrated
into the door switch?
Is the connector(CN30)
inserted correctly?
Is manual operation
/defrost selected?
Does buzzer sounds
when power On again?
Is the door switch unit
normal?
Is the input
voltage of main #83 and #82
changed at door-open and close
status?
① If 'ding-dong' sounds continuously
② If 'beep-beep' sounds continuously
Remove causes after comprehending
the conditions of interference by door
gasket, food etc.
Replace Door S/W
Replace Door S/W
Normal
Recheck and Replace Panel
PCB
Recheck MAIN PCB and
door switch
Separate the door switch and check if
the measured value of unit is
changed from 0Ω to∞Ω according
to switch ON/OFF.
* FF Door Switch is magnetic switch .
(It can be operated when door
magnet is combined with it.)
Repair wire connection and
Door S/W
Connector is not inserted,
Repair bad contact
Enforce the cancelation the
manual operation/ defrost function
or power On after power Off
Door & MICOM State
Door
F
MICOM
(#83)
Close
Open
5V(High)
0V(Low)
0V(Low)
5V(High)
R MICOM(#82)
Right and Left