NSK Varios 370 Mode D'emploi page 16

Problem Probable Cause
The handpiece
—
is overheating
The water does
not reach to
the Control Unit
Check to see if
water reaches
No / Poor water
the Control Unit
Water is
leaking from
the joint
Water leakage
between the
handpiece and
the cord
Attachment of
—
the Control Unit
Holder is loose
Handpiece Tip oscillates,
LED does not but Handpiece
illuminate. LED turns on
(Varios2 Lux) and off
Loss of the
power output Power output is
without set 8 at G
operation
* Repairs cannot be made by the customer.
Cause
Power has not been properly
adjusted for the Tip
The Tip is not tightened firmly
Failure of vibration in the
handpiece or the Control Unit
—
The Water Adjustment Knob is
closed.
Disconnected Irrigation supply
at low volume range. (less than
10ml/min.)
The Water Filter is clogged
O-Ring at the handpiece cord
is worn or damaged
The click of a holder was worn
out
The handpiece is not connected
into the Handpiece Cord
correctly
Protection Circuit is activated
15
Solution
Adjust the power level following the
Power Guide or Tip case label. Do not
exceed the power limit for the tip.
Tighten the Tip until the Tip Wrench clicks
Contact dealer*
Check the water circuitry and supply to
the Control Unit. Water pressure : 0.1-
0.5MPa (1-5kgf/cm )
2
Turn the Water Volume Knob and adjust
to the appropriate volume
No problem. Turn the Water Volume Knob
and increase the Irrigation volume
Replace with new Water Filter (Refer to
10-3 Changing Water Filter (Option) )
Replace with new O-Ring (Refer to 10-2
Changing O-Ring Handpiece Cord)
Contact dealer*
Firmly insert the handpiece into the
Handpiece Cord
Power output will weaken automatically
while continuous operation is over 10min
at the setting of Maximum power at G
mode. Releasing the foot from the Foot
Control. Decrease the Power less than 5,
once then increase the power again. ( Refer
to 6-5 )