88
8
2
3
8
Motor overload protection
Fig. 7.3 Changing the tool for the handpiece
Charging the storage battery
Switch the device off . The charging process is initiated by plugging the power supply unit into the
charging socket (7.2.1). The green charging indicator light on the power supply unit fl ashes. The
charging process is complete when the light (7.1.5) glows green continuously.
A fault is present if the indicator light fl ashes red. Check the connection or the cable.
It is possible to continue operating the motor handpiece when the power supply unit and the
mains cable are directly connected to the control unit.
The integrated electronics shut down the motor automatically in case of motor overload. The
green motor light goes out. The motor is immediately ready for use again by operating the on/off
switch (7.1.2).