Panasonic TK-CJ21 Instruction Manual page 16

Installation procedure
[TK-CJ21 only] How to insert a lithium battery in the water purifier
TK-CJ21 uses one coin type lithium battery to power the sensor for the cartridge
replacement guideline.
1
Open the battery cover.
● Before opening the battery
cover, carefully wipe the unit
free of all moisture.
2
Insert battery.
● When replacing the battery, remove the old battery.
● When the battery is inserted, all items displayed on
the LCD will light up for about one second, followed
by the cartridge replacement guideline.
● When a battery that is almost exhausted is inserted,
the battery replacement mark (
3
Close the battery cover.
n Battery replacement timing
Replace the battery when the battery replacement mark (
Note
● Replacing the battery will not reset the cartridge replacement guideline.
Important
● About battery disposal
Please dispose of used battery according to the local government regulations.
16
It is almost time to
Flashes
replace the battery.
The battery needs to
be replaced.
Stays on
Please replace it with a
new battery.
Turn the cover counterclockwise with a coin-like object.
(Do not use the battery included in the package)
The "+" mark must be visible
Battery
) will appear.
2. Turn clockwise
Slot
Battery cover
● Approximate battery life
• About 1 year
• The battery included in the package is
for test use and may have a short life.
● Replacement battery
• This product uses the commercially available,
coin type lithium battery CR2032.
(To replace battery)
Slot
Battery cover
1. Align the marks
) appears on the LCD.