Samsung RF267ABWP/XAA - When Alarm Sound Continuous Without Stop(Related with Buzzer Sound)

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TROUBLESHOOTING
4-2-8. When alarm sound continuous 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 #50 and #3
changed at door-open,
door-close?
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
MAIN PCB normal
Check if there is any short parts
due to foreign matters and the
test jumper part in the main-
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)
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
(#50)
Close
Open
5V(High)
0V(Low)
0V(Low)
5V(High)
R MICOM(#3)
Right and Left
AW-BEST_SM(267)-0221 2008.2.21 8:37 PM 페이지74