9
English
Error
Cause
• Solution
The LED showing the
operating status in the charger
flashes alternately red and
green. The handpiece is in the
charger.
Malfunction during charging.
• Remove and re-insert the
battery to reset the unit.
• The battery is damaged.
• Replace the battery.
The LED showing the
operating status in the
charger does not come
on although the plug has
been connected to an
electrical outlet.
Power outlet carries no
voltage.
• Use a different power
outlet.
Charger is defective.
• Have the charger
repaired.
The light intensity is too low.
• Clean the light guide
and the protecting
glass in the light guide
mounting hole (please
refer to “Cleaning the
Light Guide”).
The LED showing the
operating status in the charger
flashes alternately red and
green. The handpiece is not in
the charger.
Charger is defective.
• Unplug and plug in the
charger to reset.
• Have the charger
repaired.
During light emission in
extended mode, an error
signal sounds for 2 seconds,
the emission is stopped,
and the handpiece changes
to sleep mode.
The handpiece has become
overheated in the course
of use. The handpiece can
be used again once it has
cooled down.
• Allow the handpiece to
cool down.
- Immediately after the
temperature control
has turned off the
handpiece, it must cool
down a minimum of 1.5
minutes in the air before
a new light emission can
be started.
- The handpiece can
be used again, once
pressing the START
button successfully
activates the light.
- During the cooling-off
period immediately after
the acoustical signal
has gone off, 2 minute
cooling-off time in the air
typically corresponds to
1 minute operating time.
The light emission does not
start when the START button
is pressed; an error signal
sounds for 2 seconds.
The handpiece has become
overheated in the course
of use. The handpiece can
be used again once it has
cooled down briefly.
• Allow the handpiece to
cool down.
- The handpiece can
be used again, once
pressing the START
button successfully
activates the light.
- During the cooling-off
period immediately after
the acoustical signal
has gone off, 2 minute
cooling-off time in the air
typically corresponds to
1 minute operating time.
The power level display of
the handpiece flashes red
while the handpiece is in
the charger.
Charging problem. The
battery is defective or at the
end of its useful life.
• Remove and re-insert the
battery to reset the unit.
• Replace the battery.
The handpiece has not been
used for a long time and
now it cannot be turned on.
There is not enough charge
in the battery to turn on the
handpiece.
• Place the handpiece
in the charger and
re-charge the battery.
The power level display of
the handpiece flashes red.
The ongoing exposure is
interrupted (light off signal
is emitted) followed by
a 2 second-error signal;
the handpiece switches to
“sleep” mode and resists
further activation.
The battery lacks sufficient
charge.
• Place the handpiece
in the charger and
re-charge the battery.
The charge level display
on the handpiece glows
red steadily.
The remaining battery
charge is adequate only
for typically 20 3-second
exposure cycles.
• Place the handpiece
in the charger and
re-charge the battery.
Error
Cause
• Solution
Troubleshooting
