NSK VarioSurg - 9. Troubleshooting; Common Issues and Remedies

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9. Troubleshooting
When you suspect a failure, refer to the following before requesting a repair. If your problem does not fall into any of the
following, or troubleshooting as suggested does not improve the problem, contact dealer as it is likely that the product is
faulty.
Case Possible Cause Remedy
Control Unit cannot be turned ON
(LCD display does not turn on).
AC Power Cord is not connected to Control
Unit.
Make sure it is connected.
AC Power Cord is not plugged into wall
outlet.
Make sure it is plugged in.
Fuse has blown. Contact dealer. *
Control Unit turns ON but displays
Ultrasonic Output Display and
beeps.
Foot Control is being operated.
To prevent accidents, the Handpiece will
not work if the Main Power is turned ON
while the Foot Control is being operated. Try
stepping on the Foot Control again.
The Tip does not vibrate (no
indication of Ultrasonic Output
Display).
Foot Control is not connected. Make sure it is connected.
Handpiece with Handpiece Cord are not
connected, or Handpiece Cord is not
connected to Control Unit.
Make sure they are connected.
The Tip does not vibrate
(indication of Ultrasonic Output
Display).
Faulty circuit. Contact dealer. *
Weak vibrations.
Worn or broken the Tip. Replace with a new Tip.
Wrong mode. Change to the correct mode.
The Tip not tightened sufficiently. Tighten the Tip until the Tip Wrench clicks.
Improper power setting.
Change to the correct mode and power
range as indicated on the Tip case.
Foot Control not connected properly. Connect Foot Control properly.
Failure inside the Handpiece. Contact dealer. *
Failure inside the Foot Control. Contact dealer. *
• Do not autoclave the Control Unit and the Foot Control.
• Do not exceed 138°C during sterilization.
• Never sterilize the Handpiece, etc., with ultraviolet radiation, which might cause discoloration.
• If you autoclave the Handpiece together with any instrument to which antiseptic solution adheres, discoloration
might occur.
• If any saline solution or stain adheres to the Control Unit, well wipe it off with a cloth impregnated with clean water
and squeezed out. Then, wipe the Control Unit well with a dry cloth.
• Do not clean the Control Unit with any solvent such as thinner, benzene, etc.
• We do not recommend you to sterilize on plasma sterilization or EOG sterilization.
CAUTION