NSK Varios 970 Mode D'emploi page 22

Problem Probable Cause
Water is leaking
from the joint
between the
Irrigation Tube
and the Irrigation
Connector.
Water is leaking
Water leakage.
from the joint
between the
handpiece and
the cord.
Water is leaking
from the Control
Unit.
Tip oscillates, but
Handpiece LED
Handpiece
turns on and off.
LED does not
illuminate.
Tip oscillates, but
(Varios 970 LUX)
Handpiece LED
does not turn on.
Beeping while
power on.
Start Beeping
Beeping while
stopping
vibration of Tips.
* Repairs cannot be made by the customer.
Cause
The Irrigation Tube is not connected
correctly.
O-Ring at the handpiece cord is
worn or damaged.
The water circuitry in the Control
Unit is damaged.
The handpiece is not connected into
the Handpiece Cord correctly.
Disconnection in the Handpiece
Cord, or failure in the Control Unit.
Depress Foot Control.
Abnormal heating of the Control
Unit.
21
Solution
Firmly insert the Irrigation Tube into the Irrigation
Connector inmost.
Replace with new O-Ring (Refer to 11 (3)
Changing O-Ring •Handpiece Cord).
Contact dealer.*
Firmly insert the handpiece into the Handpiece
Cord inmost.
Contact dealer.*
Release the Foot Control.
Stop the operation and leave until Control Unit
becomes cool.