LG GC-B379S*QA Service Manual page 23

MICOM FUNCTION & PCB CIRCUIT EXPLANATION
The display indication of different Models during
Express Freezing & Eco-Friendly on/off is shown below:
(a) Normal mode
(c) Eco Friendly start
Figure.1. GC-B379S*QA
GC-B409S*QA
(b) Express Freezing
start
(d) Switching off.
Continue normal mode
Door Alarm and Alarm locking function
Door Alarm on/off method:
• on : press the Lock/Alarm button 1 time.
• off : press the Lock/Alarm button 1 time.
DISPLAY operation of Door Alarm function:
• when Power is ON during the first time Door Alarm has to be on.
• when the power is ON, the Buzzer Icon has to be ON
in accordance with (a).
• when the power is OFF, the Buzzer Icon has to be OFF
in accordance with (b).
Door Alarm function:
• after 60 seconds when the door is opened, the fridge door
open alarm sounds.
• after this the alarm sounds 3 times with 0,5 seconds interval. Then
alarm sounds every 30 seconds with 0,5 sec interval.
• if the door closed during the Buzzer signal, Buzzer sound will
stop immediately.
• press the Door Alarm button for stop Buzzer signal.
Display Micom gets the information about door open, started
from Main Micom:
• the function of Door Alarm starts. For stopping the signal you
have to close the door.
LOCK function (Display button lock)
LOCK on/off method
• on : press continuously the Lock/Alarm button
for 3 seconds or more.
• off : press continuously the Lock/Alarm button for 3
seconds or more.
DISPLAY operation of LOCK function
• before the first power on the lock has to be unfasten.
• at locking time the Lock button indication flashes 3 times.
(except Bar LED) after 3 seconds the lock icon (b)
becomes fasten.
• at unlocking time the Lock button indication flashes 3 times.
(except Bar LED) after 3 seconds the lock icon (a)
becomes unfasten.
• There is no buzzer sounds when the button pressed in fasten
situation other than
Lock button. switching function is also not available.
At this time, the indication of the Best 88 Display Lock button
flashes 3 times.
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