Malfunction
Cause
Remedy
The nozzle needle is in the ac‐
cessories.
See also: Handpiece instructions.
▶ Cleaning the spray nozzle
See also: Handpiece instructions.
Unsatisfactory laser results.
The exit window in the handpiece is
dirty.
▶ Clean the exit window.
See also: Handpiece instructions.
The exit window in the handpiece is
defective.
▶ Exchange the exit window.
See also: Handpiece instructions.
The handpiece leaks.
The O-rings on the laser hose cou‐
pling are defective.
▶ Replace O-rings.
Leaky laser instrument.
If the laser instrument has a leak, it
can damage the internal handpiece
optical system.
▶ Have a technician check the op‐
tical system, or send the instru‐
ment to KaVo to be checked.
The laser cannot switch to ready
mode.
The holder switch in the swing arm
it is not actuated.
▶ Remove the handpiece from the
holder, and pull it forward until
the holder microswitch in the
swingarm is switched.
The entrance doors to the treatment
room are provided with door
switches and are open.
▶ Close the entrance doors.
Door switches have not been instal‐
led, and the jumper for the door con‐
tact connection is not properly in‐
serted.
▶ Correctly insert the provided
jumper (Mat. no. 0.236.2394)
and screw it tight.
The touchscreen display disap‐
pears during operation.
The device independently turns off
when malfunctions arise that affect
safety.
▶ Turn the KEY Laser 3+ / III up‐
graded off and on.
If the display does not appear on
the touchscreen, call service.
Instructions for use KEY Laser 3+ 1343 KEY Laser III 1243 upgraded
8 Malfunctions | 8.4 Troubleshooting
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Содержание KEY Laser 3+ 1343
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