Description Of Function, Circuits & Error Codes - LG LMX21981** /01 Service Manual

8. DESCRIPTION OF FUNCTION & CIRCUIT OF MICOM
8-1 FUNCTION
8-1-1 Function
1. When the appliance is plugged in, it is set to 37°F for Refrigerator and 0°F for freezer.
You can adjust the Refrigerator and the Freezer control temperature by pressing the ADJUST button.
2. When the power is initially applied or restored after a power failure, it is set to Control temperature Previously.
8-1-2 Lock function (dispenser and display button lock)
1. When the refrigerator is first turned on, the buttons are not locked. The display panel shows the padlock
unlocked icon.
2. To lock the display, the dispenser, and the control panel, press and hold the LOCK button for 3 seconds. The
locked pad lock icon is displayed.
3. The LOCK button is the only control feature that remains active
in the locked state. The buzzer sound, other control buttons,
and the dispenser are deactivated.
4. To release from the locked state, press and hold the LOCK
button again for 3 seconds.
8-1-3 Filter condition display function
1. There is a replacement indicator
the dispenser.
2. Water filter needs replacement once six months or of using water filter.
3. Water Filter icon turn on to tell you need to replace the filter soon.
4. After replacing the filter, press and hold the FILTER
RESET button more than 3 seconds.
HOLD 3 SECS icon turn off with reset status.
ICE TYPE
ICE TYPE
FREEZER
REFRIGERATOR
TM
ICE PLUS
LIGHT / FILTER
ALARM / LOCK
3SECS
for the filter cartridge on
Classification
Filter Status
Display
- 28 -
Press & Hold Press & Hold
Ex) In selecting Ex) In selecting
"LOCK" "LOCK" again
In initial Power On Replace indicator
/ Filter RESET light on
Press & Hold Press & Hold