4-2-3) When Alarm Sound Continues (Buzzer Sound) - Samsung RSA1Z Series Service Manual

TROUBLE SHOOTING

4-2-3) When Alarm Sound continues (Buzzer Sound)

1) When "DingDong" sound continues
F-Door Sensing MICOM #31
R-Home Bar Door Sensing &
R-Door Sensing MICOM #32
; Correct Voltage Reading
- Open 5V, Close 0V
Remove the Door S/W
and check if it switches
and 0 as the switch
is on and off.
2) When "Beeping" sound continues
Start
Door is closed
properly or not
Close well
There is no water
penetration intoDoor S/W.
NO
The MAIN
#31/32/41 input voltage changes
as the door gets
open or closed.
YES
The Connector (CN30)
is inserted properly
YES
Door S/W is good.
YES
MAIN PCB & DOOR S/W are good
Start
Forced Operation or
Forced Defrost is
not selected
NO
After being
replugged in, it sends
out the sounds.
YES
Check if there is any foreign substance or
short-out component at MAIN PCB TEST
JUMPER.
60
Gap exists
Find out any root causes
such as being pushed out
by food, etc and correct it.
YES
Replace Door Magnet
Ass'y
NO
Wire Cut, Defective REED
S/W & Magnet Contact
NO
Repair the defective contact
of the connector or insert
the connector properly
NO
Replace REED S/W
YES
Cancel Forced Operation
or Forced Defrost, or Re-
plug the unit
NO
MAIN PCB is normal