ENGLISH • 14
Section 10: Troubleshooting
Although service and repair of the Cavitron
™
JET Combination
System should be performed by DENTSPLY
®
personnel, the
following are some basic trouble shooting 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
knobs.
Section 9: System Care cont'd
• Turn System OFF.
• Remove the Powder Chamber.
• Remove filter from holder and remove the tubing from
one end of the filter.
• Disassemble the filter as shown.
• Inspect the filter element. Replace if necessary.
• Reassemble the filter and reconnect the tubing and replace
filter in holder.
• Inspect second filter in a similar manner.
• Replace the Powder Chamber.
• Turn the System ON.
NOTE:
Never operate the System without all filters in place.
10.1 Troubleshooting Guide
System will not operate:
(Power Indicator Light is not lighted)
1. Check that the Power switch is in the ON position, and that
detachable Power Cord is fully seated in the receptacle on back
of System.
2. Check that the System’s three-prong plug is fully seated in an
appropriate AC receptacle, and that AC current is present.
(Power Indicator Light is lighted)
1. Check that the Foot Control Connector is fully seated in the
Foot Control Receptacle on the back of the System.
System operates:
(No lavage flow at insert tip)
1. Assure that Lavage control is properly adjusted.
2. Check that irrigant supply control valve/s (dental office water
supply) are open.
3. If 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.
(JET Insert Nozzle blocks repeatedly)
1. Powder is moisture contaminated (lumpy). Discard powder.
2. Air filter is contaminated. Clean or replace filter.
(No bleed air)
1. Blocked JET nozzle. Clean JET Nozzle using supplied tool.
2. Blocked filter. Clean or replace filter.
(No or poor cleaning action)
1. Very low powder level or empty Powder chamber. Fill Powder
Chamber.
2. Blocked JET Nozzle. Clean JET Nozzle using supplied tool.
3. Fill Cap is loose. Tighten powder fill cap, and turn System
ON.
(Continuous powder agitation)
Fill cap not securely sealed. Shut System OFF. Remove the
O-ring seal from the fill cap and clean residual powder from the
cap. Be careful not to scratch or otherwise damage the plastic cap.
Wipe off the O-ring and place it in the fill cap and turn System
ON.
10.2 Technical Support and Repairs
Pointer
View Window
Fill Cap
Dump/Pressure
Line
Air-Powder
Flow
Air Inlet
Air Supply Nozzle
Filter
(depressurizing System)
Powder Bowl
For technical support and assistance call 1-800-347-7412
Monday through Friday, 8:00 AM to 5:00 PM (Eastern Time).
For other areas, contact your local DENTSPLY
®
representative.
