KaVo DSE Expert - Troubleshooting Common Malfunctions

Instructions for use DSE Expert
8 Troubleshooting
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8 Troubleshooting
Malfunction Cause Remedy
Patient simulator does not
move.
The safety shutoff is activ-
ated.
▶ Check the safety shut-off and eliminate the reason
for the shut-off.
Start program for learning the end-positions.
Suction power of saliva
ejector is insufficient.
Spray mist extractor is not
closed.
▶ Close spray mist extractor.
Wastewater tank is not in-
serted correctly.
▶ Insert wastewater tank correctly.
The three-function / multi-
functional handpiece is not
working properly.
Compressed air shut-off
valve is closed.
▶ Open the shut-off valve.
Water shut-off valve is
closed.
▶ Open the shut-off valve.
No voltage supply. Main switch is OFF.
▶ Turn on the main switch.
Main fuse is blown.
▶ Unplug the units from the mains.
▶ Replace the microfuse T6.3H.
The main service fuse is situated next to the mas-
ter switch.
Laboratory handpiece can-
not be started.
Instrument preselection
laboratory handpiece key
not pressed.
▶ Press the Instrument preselection laboratory hand-
piece key
Mains switch not at "I" ON
setting.
▶ Push the mains switch to the "I" ON setting.
Clamping system of the
laboratory handpiece is not
closed correctly.
▶ Close the clamping system of the laboratory hand-
piece correctly.
An integrated overload
fuse shuts off the device if
it runs too long or the load
is too high.
▶ Move the power switch to "Off" position, and let it
stay off for a while.
▶ Switch on the power switch and restart the hand-
piece.
Faulty programming of
laboratory handpiece / mo-
tor / turbine.
▶ Program the correct device.
Suction power decreases. Waste water tank is full.
▶ Drain the wastewater tank.
▶ Refill the pressure tank.
Display shows nothing. Bus / hardware error.
▶ Turn the device off and on.
▶ Call the service technician to look into the problem
if it continues to exist.
Operating device no func-
tion.
Bus / hardware error.
▶ Turn the device off and on.
▶ Call the service technician to look into the problem
if it continues to exist.