LG LSC27990TT Service Manual page 10

MICOM FUNCTION
1-2. Display Second Function
LCD Check Mode
Demo Mode
I
Communication Data Check Mode
Door Alarm Buzzer
Mute Mode
1. Door Alarm Buzzer Mute Mode
Press _))) _ button to the buzzer on or off.
2. Demo Mode
Demo mode is available for displaying the refrigerator in a sales setting or similar condition.
It allows the display, dispenser, lights, and fan to operate without running the compressor.
To enter the DEMO mode, press and hold the TEMPERATURE and _ I_ button simultaneously for 5 seconds until the
Ding- sounds in the lock status.
To exit the DEMO mode and return to normal operation, press and hold the TEMPERATURE and _ I_1 button
simultaneously for 5 seconds until the Ding- sounds again in the lock status.
The refrigerator will default to the NORMAL mode (DEMO mode OFF) if the power fails.
2. LCD Check Mode
Press TEMPERATURE and I_))) _, button simultaneously for 1 second in the lock status.
4. Communication Data Check Mode
Press MENU and -',0_ button simultaneously for 6 seconds in the lock status.
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