Chapter 5 Maintenance and Checkup
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5.3
Replacing the Button Battery
CAUTION
•
The button battery case used in the device is for
CR2477
size.
Do not use button batteries other than
CR2477
.
•
Turn on the electricity of the device while replacing the battery, or it will
cause a
huge consumption of the battery.
1.
Turn on the electricity of the device.
2.
Open the suction-side filter case on the
intake side and remove the primary/
secondary and the tertiary filters.
Page 17
3.
Remove the battery cover by extracting its
two screws.
4.
Push the claw rightward and remove the
button battery.
5.
Replace with a new button battery.
6.
Install the battery cover back in place.
7.
Cut off the electricity of the device.
5.4
Daily Checkup
Check item
Frequency
Check that:
Filter case
Before operation
Filter case is completely closed.
Suction port
Before operation
Suction port is not blocked.
Exhaust condition
Daily
Exhaust port is not blocked.
Operation panel condition
Daily
Error or warning is not displayed.
Screws
Battery cover
Claw
w
Button battery
