ProMed 620 Instruction Leaflet page 19

O
PERATING THE UNIT
In case of malfunction:
• Check that the power supply is correct.
• Check whether the handpiece is connected correctly to the unit.
• Check the response of the safety stop on the device by setting
the rotation switch (G) to zero (middle position) and then
starting the device again.
• If the problems have still not been solved after following these
steps, please consult your service center immediately.
S
PECIAL QUALITY FEATURES
Quick chuck:
The quick chuck in the grinding head holder allows you to
change grinding heads, easily, quickly and smoothly. The shaft
locks automatically as soon as the grinding head starts to rotate.
All-in-one control knob:
For ease of use, you can regulate both direction and speed of
rotation with just the one control knob.
Safety Stop:
If the device develops excessive speed and pressure during
grinding, the electronics will respond by switching off the device.
In this case, you must set the rotation switch (G) of the device to
zero (middle position) and start the device again.
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