The battery charger
does not work� (The
CHARGE lamp does
not light�)
[Motor handpiece]
Problem
The motor
handpiece does not
rotate�
The motor
handpiece does not
rotate� (Error code
"E-1" is displayed�)
The motor
handpiece does not
rotate� ("---" and
the rotation speed
are displayed
alternately�)
Alarm sounds and
motor handpiece
does not rotate,
even if the power is
on�
No battery is inserted�
The battery is fully charged or in a
state near full charge�
The temperature of the battery is
low�
The temperature of the battery is
high�
An error code is displayed�
Cause
The motor handpiece cord is not
connected�
There is a break in the motor
handpiece or the motor handpiece
cord�
The contra angle head is clogged�
There is a short circuit inside the
motor handpiece or the motor
handpiece cord�
The contra angle head is clogged�
There is a short circuit inside the
motor handpiece or the motor
handpiece cord�
Power has been turned on while
pressing ON/OFF button�
There is a short circuit within the
ON/OFF button�
Insert the battery�
No problem
If the temperature of the battery is less
than 0°C (32°F), the battery is not
rechargeable� Charge the battery in a
warm room� (Be careful about moisture
condensation�)
It is normal that the battery become a
little bit warm right after charging� If the
battery is hot under normal operating
conditions, not right after charging, there
may be an abnormality� Contact your
dealer�
See "8 – 1 Error code"�
Check the connection�
Contact your dealer�
Clean or replace the contra angle head�
Contact your dealer�
Clean or replace the contra angle head�
Check the connection�
Check the ON/OFF button status�
Contact your dealer�
35
Troubleshooting
Action