Although service and repair of the Cavitron Touch Ultrasonic
Scaler should be performed by DENTSPLY personnel, the
following are some basic troubleshooting procedures that will
help avoid unnecessary service calls. Generally, check all
lines and connections to and from the System. A loose plug
or connection will often create problems. Check the settings
on the System's controls.
11 1 Troubleshooting guide
System operates: Tap-On Technology is not
1. Tap-On Technology might be disabled. Refer to section
2. Check to see if handpiece is in holder. Tap-On
Technology is disabled when handpiece is in holder.
3. Check to see if the insert is secured inside the
handpiece. Tap-On Technology is disabled when there is
no insert in the handpiece.
System will not operate: No Power ON indicator
(green light is not on)
Check that the Main Power Switch is in the ON (l)
position, and that the detachable Power Cord is fully
seated in the receptacle on back of System.
Check that the system's power cord plug is fully seated
in an approved AC wall outlet.
Check that the wall outlet is functional.
System will not operate: Power ON Indicator is
If the office has more than one Tap-On Foot Pedal,
test each to ensure that the proper Tap-On Foot Pedal
is being used. With a handpiece and insert installed,
depress the Tap-On Foot Pedal to the first position.
The system should dispense water. If none of the
Tap-On Foot Pedals operate the system, continue to
the next step.
Ensure the foot pedal power is ON. Resynchronize one
Tap-On Foot Pedal to the system (see Section 7.7 Tap-
On Foot Pedal Synchronization).
System operates: No water flow to insert tip or
Assure that handpiece lavage control is properly
Check for clogged insert. Replace insert if necessary.
Check that dental office water supply valves are open.
If the system is connected to DualSelect Dispensing
System, check that fluid level in the selected bottle is
sufficient. Make sure valves are open when using
external water source.
Check that the water line filter is clean. Replace
filter if needed.
System operates: No insert cavitation
Check the insert for damage and that it is properly
installed in the handpiece.
Check that the handpiece is properly installed to the
Verify that the soft nozzle grip is flush with the hard
plastic of the insert port.
Turn the system's Main Power Switch to the OFF (0)
position. Wait 5 seconds and turn the system back ON.
If problem still exists, connect the Auxiliary Foot Pedal
System operates: Purge Mode will not function –
Service Icon 1
Check that handpiece is properly installed to the cable
assembly and the purge screen is visible.
System operates: Service Indicator Illuminated
• S ervice Icon 1 Illuminated – Indicates improper set-up
If insert is in the handpiece, remove. Verify the
handpiece is properly seated and hold the foot
pedal for 2 seconds. If icon turns off, the system
is ready for use. If icon remains lit, continue to the
Attach a NEW handpiece and hold Foot Pedal for 2
seconds. If icon turns off, the system is ready for
use. Discard the old handpiece or return if within
warranty. If icon remains lit, continue to the next step.
If icon remains lit, refer to Section 11.2 Technical
Support and Repairs to have unit serviced as soon as
System operates: Service Indicator illuminated
• Service Icon 2 Illuminated
Ensure that the base unit has adequate ventilation and
is not near a heat source (i.e. radiator, heat lamp,
sunlight or other heat producing operatory equipment).
Turn Main Power Switch to the OFF (O) position.
Allow system to cool for 10 minutes and turn system
to the ON (I) position. Verify Service Icon 2 is not
If icon is still illuminated, refer to section 11.2
Technical Support and Repairs to have unit serviced as
soon as possible.