7 Maintenance and Inspection
7-2 Replacing the battery
BW40T/BW55T/BW100T/BW120T
44
Make sure to reset the battery life cycle counter right after replacing the
battery.
If you do not reset the battery life counter, a battery deterioration alarm may
occur earlier than the expected battery life.
<When replacing it while [the AC input] plug is connected to a wall outlet>
1. By pressing "Buzzer stop/Enter" button and "Scroll" button simultaneously, the buzzer
which sounds like 'p’ (continuous sound) will beep and the setting display will appear.
2. Press "Scroll" button, display of setting items change continuously [S11], [S21],,,[C00].
By choosing [C00] and pressing "Scroll" button for a long time, [C00] blinks. By
pressing "Buzzer stop/Enter" button, self-diagnostic test start and display [FU]. As the
test complete normally, [C00] stops blinking.
3. Press "Scroll" button again, [C01] is displayed. Press "Scroll" button for a long time,
[C01] is blinked.
4. Press "Buzzer stop/Enter" button for a long time. The buzzer which sounds like 'p’
(continuous sound) will beep and the battery life counter will be reset. After finishing
blinking [C01], the reset is complete.
5. Press "Buzzer stop/Enter" button and "Scroll" button simultaneously. The buzzer which
sounds like 'p’ (continuous sound) will beep and the screen will go back to normal.
<When replacing it while [the AC input] plug is not connected to a wall outlet>
Connect [the AC input] plug to a wall outlet and do the above operation No. 1,3,4,5.
Write the battery replacement date on the included battery replacement date
label, and attach the label on the visible place.
