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DENTSPLY Cavitron JET Plus Installation And Service Manual page 23

Ultrasonic scaler & air polishing prophylaxis system
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QUICK REFERENCE
SYMPTOM
System will not
operate: No Power
ON Indicator
System will not
operate: Power ON
Indicator is illuminated
System operates:
No water flow
to insert tip
System operates:
No insert
cavitation
System operates:
Service
indicator
blinking
System operates:
Service indicator
illuminated
System operates:
Purge mode will not
function --icon flashing
System operates:
Air Polishing Insert
Nozzle blocks
repeatedly
System operates:
No bleed air
System operates:
No or poor
cleaning action
System operates:
Continuous powder
agitation
GUIDE—Troubleshooting
ACTION TAKEN
1.
Check that the Main Power Switch is in the ON (I) position, and that the detachable power cord is fully seated in the
receptacle on back of system.
2.
Check that the system's power cord plug is fully seated in an appropriate AC wall outlet.
3.
Check that the wall outlet is functional.
1.
If the office has more than one Foot Control, test each to ensure that the proper Foot Control is being used. With a
handpiece and insert installed, depress the foot control to the first position. The system should dispense water. If none
of the Foot Controls operate the system, continue to the next step.
2.
Resynchronize one Foot Control to the system (see Section 6.10 Foot Control Synchronization).
1.
Assure that handpiece lavage control is properly adjusted.
2.
Check for clogged insert; Replace insert if necessary.
3.
Check that dental office water supply valves are open.
4.
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.
5.
Check that the water line filter is clean. Replace filter, if needed.
1.
Check that the Power Control is not in Rinse Mode.
2.
Check the insert for damage and that it is properly installed in the Handpiece.
3.
Check that the handpiece is properly installed to the cable assembly.
4.
Verify that the soft nozzle grip is flush with the hard plastic of the insert port.
5.
Turn the system's Main Power Switch OFF, (O) position. Wait 5 seconds and turn the system back ON.
6.
If problem still exists, replace both "AA" batteries in Foot Control with new "AA" batteries (Refer to Section 6.9) or connect
Auxiliary Foot Control Cable.
1.
Fast blinking (3 blinks per second) – Indicates improper set-up
A.
If insert is in the handpiece, remove. Verify the handpiece is properly seated and hold the foot control for 2
seconds. If blinking stops, the system is ready for use. If blinking remains, continue to the next step.
B.
Attach a NEW handpiece and depress Foot Control for 2 seconds. If blinking stops, the system is ready for use.
Discard the old handpiece or return if within warranty. If blinking remains, continue to the next step.
C.
Install and fully seat an insert into handpiece. Depress Foot Control for 2 seconds. If blinking stops, the system
is ready for operation. If blinking remains, continue to the next step.
D.
Install and fully seat a NEW insert in handpiece and depress Foot Control for 2 seconds. If blinking stops, system
is ready for use. Discard old insert or return if within warranty. If blinking remains, refer to Section 10.2
Technical Support and Repairs to have unit serviced as soon as possible,.
2.
Slow blinking (1 blink per second) - The system is not operating within factory specifications.
A.
Remove insert.
B.
Turn Main Power Switch OFF, (O) position. Wait five seconds. Turn unit ON, (I) position.
C.
Operate Purge function.
D.
If service indicator still blinks, refer to Section 10.2 Technical Support and Repairs to have unit serviced as soon
as possible.
1.
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).
2.
Turn Main Power Switch OFF (O) position. Allow system to cool for 10 minutes and turn system to the ON (I) position.
Verify light is not illuminated.
3.
If light is still illuminated, refer to Section 10.2 Technical Support and Repairs to have unit serviced as soon as possible.
1.
Check that there is no insert in the handpiece.
2.
Check that Handpiece is properly installed to the cable assembly.
1.
Powder is contaminated (lumpy). Discard powder.
2.
Air Supply Line Air Filter is contaminated. Refer to Section 9.4 Air Supply Line Air Filter Maintenance.
3.
Dental office air source should be serviced to eliminate the source of the contamination.
1.
Blocked JET Air Polishing insert nozzle. Clean nozzle using supplied tool.
2.
Blocked air bleed "duckbill" air filter. Refer to Section 10.2 Technical Support and Repairs to have unit serviced as soon
as possible.
1.
Very low powder level or empty powder bowl. Fill Powder Bowl.
2.
Blocked JET Air Polishing insert nozzle. Clean nozzle using supplied tool.
3.
Powder Cap loose. Turn Main Power switch to the OFF (O) position. Tighten Powder Cap to powder bowl and turn System
ON. If cap does not fit tightly, check for thread wear and replace cap, o-ring seal, or bowl assembly.
4.
Clogged fitting assembly on powder bowl. Refer to Section 9.5 Powder Bowl Maintenance.
1.
Powder Cap not securely sealed. Turn Main Power switch to the OFF (O) position and remove Powder Cap.
2.
Remove the o-ring seal from the Powder Cap and clean residual powder from the cap. Be careful not to scratch or
otherwise damage the plastic cap.
3.
Wipe off the o-ring and place it in the Powder Cap. Tighten Powder Cap to powder bowl and turn system ON. Worn caps
and o-rings should be replaced when wear is detected.

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