9
Periodical Maintenance Checks
Perform periodical checks based on the check list below every three months. If abnormality is detected in any of
Check item
Rotation
Rotation speed display
Power display
Rotation direction display
Operation of each button
Irrigation
10
Troubleshooting
or if the trouble is not remedied even after an action has been taken, a failure of this product is suspected.
<Control unit, AC Adaptor>
on.
charge.
light.)
power supply is suddenly
cut off.
Rotate the motor and check for abnormalities such as vibration, noise and
heat.
Confirm that the rotation speed is displayed in the Speed Display as usual.
Press the Rotation Direction Key and confirm that Rotation Direction
Display lamp lights.
Press each button and confirm that it functions normally.
Rotate the motor when a handpiece is attached and check for
abnormalities such as the rate of irrigation and water leak.
Cause
AC adaptor is not connected.
inserted to the power outlet or there is no
power supply to the power outlet.
by the battery).
Internal fuse has blown.
AC adaptor is not connected.
Plug of AC connector is not inserted to the
power outlet, or there is no power supply to
the power outlet.
Internal fuse has blown.
fully charged.
temperature of the operating conditions.
temperature of the operating conditions.
An error code is displayed.
small, or battery pack is not connected (Isn't
17
Description
Remedy
Check the connection.
Check the connection.
use the AC adaptor.
Request repair.
Check the connection.
Check the connection.
Request repair.
Charge it within the scope of
operating environment (operating
conditions).
Charge the battery.