Samsung RT53 Service Manual page 53

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TROUBLESHOOTING
4-2-6. When the unit keeps alarming (Buzzer Sound)
[Note]
1. Fridge / Freezer Door Open Alarm : It sends out an alarm sound when it passes over 2 minutes after the door is open. A
when the door remains open, it will keeps alarming every minute.
2. When the door is not closed properly, MICOM recognizes it as Door Open and sends out an alarm sound. When it pass
over 10 minutes after it recognizes the Door Open, the room lamps will be off. At this time, when the Door is completely
open, the Lamp will not be on right away, but after a while.
① When there is "Ding Dong" sound not stopping
Door & MICOM State
Door
Close
Open
Remove and measure the continuity of
Door S/W by pressing it (On/Off).
Check if the value changes between
0Ω and ∞Ω.
②
When it keeps 'Beeping'
RELATED TITLES
Hotpoint,Mba
4033 Cv
R MICOM(#22)
0V
5V
Check MAIN PCB and
The unit is not in Forced
LG_MULTI_F_3828A20097W_1[1] Samsung
Refrigerador
Start
Gap exists
Door stays open?
Closed
Yes
Water penetrates into
Door S/W?
No
MICOM #22 Voltage
No
changes when the Door
is open/close?
Yes
Connector (CN30) is No
inserted properly?
Yes
No
Door S/W is in good
condition?
Yes
Door S/W
Start
Yes
Operation or Forced
Defrost mode.

34648123
WD856UH
Check if there is any obstacle
pushing the Door open.
Replace Door S/W
Repair Wire Cut / Door S/W
Insert the Connector
Replace Door S/W