31
Troubleshooting
Handpiece vibrates, is very noisy
and/or becomes warm in the
front part.
Use of bent burs/tools.
→
Use a
different bur/tool to test this. The
bur/tool itself can be tested with
the hadewe Bur Shaft Tester
(art. no. 4990) to see if it is bent.
Maximum allowed speed of the
tool was exceeded, which
caused a stronger vibration.
→
Pay attention to the tool (e.g.
bur, capper and instrument)
manufacturers handling details.
Bur/tool can be inserted only
with difficulty or not at all.
Use of bent burs/tools.
→
Use a
different bur/tool to test this. The
bur/tool itself can be tested with
the hadewe Bur Shaft Tester
(art. no. 4990) to see if it is bent.
Chuck is dirty.
→
Clean the
chuck
according
to
the
instructions in the manual.
Bur does not clamp or does not
spin.
Chuck is not tightened well.
→
Tighten the chuck firmly
according to the instruction in
the manual.
Knob of the handpiece cannot be
moved easily.
Chuck is dirty.
→
Clean the
chuck
according
to
the
instructions in the manual.
Rubber under the knob is tilted.
→
Turn rubber about 90°.
It does not spray.
Pressure cannot be set up in the
tank, because the lid is not
tightened well.
There are parts of dirt in the
spray system.
→
Cleaning the
spray system according to the
instructions in the manual.
The blue water filter (art. no.
3497) in the tank is blocked.
→
Change the water filter.
Unit does not work at all.
Check if the main switch of the
unit is turned on at the side of
the unit.
Foot switch is used constantly or
faulty.
→
Pull out the socket of
the foot switch to see if this is
the cause.
Pull out the mains plug to reset
the device.
The unit shows different sound
levels at different sites of use.
The
sound
level
varies
according to the surroundings of
the unit. If you set up the unit
directly in front of a wall, the
sound is reflected stronger, as if
it would, while standing further
away from a wall.
