LG LTCS24223D Service Manual page 34

9-1-10 Lock Function
1. On initially operation the Lock Function is OFF.
2. If you wish lock the Water Dispenser, push on the WATER LOCK button, after this, the WATER LOCK LED on the Display
will be turned ON..
3. If you wish unlock the Water Dispenser, press the WATER LOCK button. Then the WATER LOCK LED on the Display will
Be turned OFF.
9-1-11 Filter Condition Display Function
1. There is a replacement indicator light for the water filter cartridge on the dispenser.
2. Water filter needs replacement once six months.
3. For reset the counter or turn OFF the filter change indicator press the lock button 3 sec and the counter will start from "0"
and the filter change indicator will be OFF.
4. If the power OFF the data will be save in the memory (Power saving mode).
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