6-7) When Alarm Sounds Continuously Without Stop (Related With Buzzer Sound) - Samsung RF18A Series Service Manual

CHECK THE INSTALLATION STATUS

6-7) When alarm sounds continuously without stop (related with buzzer sound)

① If 'diring-diring' sound continuously
Seperate the door switch andcheck 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.)
Door & MICOM State
FF MICOM(#5)
Door FZ MICOM(#1)
Right and Left
Close 0V (Low)
Open 5V (High)
② If 'beep-beep' sounds conttinuously
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Is door closed completely?
changed at door-open and
0V (Low)
5V (High)
MAIN PCB & Door S/W is normal.
Recheck and replace Panel PBA.
Is manual operation
/defrost selected?
Does buzzer sounds
when power On again?
Recheck and Replace Panel PBA.
Start
Yes
Is water penetrated
into the door switch?
No
Is the door
switch unit normal?
Yes
Is the connector CN51
inserted correctly?
Yes
Is the input
voltage of main #1, #5
close status?
Yes
Start
Yes
No
No
Yes
95
Door is ajar
Remove causes after comprehending the
conditions of interferance by door gasket,
food etc,.
Yes
Replace Door S/W.
No
Replace Door S/W.
No
Connector is not inserted,
Repair disconnect part.
No
Repair wire connection
and Door S/W.
Enforce the cancelation the
manual operation/ defrost function or
power On after power Off.
Normal