NSK Varios Combi Pro - Troubleshooting Common Problems

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Troubleshooting
If you are experiencing problems, please check the following before contacting your Authorized NSK Dealer.
(Ultrasonic Mode and Powder Mode)
Problem Cause Remedy
Beeping sound Power was turned on while the Foot Control was
depressed.
Release the Foot Control and turn the POWER
switch to ON.
Abnormal heating of the Control Unit. Stop operation and leave until Control Unit cools.
Touch panel does not react well or
touched key is not recognized
correctly.
Calibration is slightly misaligned due to static
electricity, exogenous noise, etc.
Turn the POWER switch to OFF and then to ON.
Key was not touched at the center. Touch the center of the key.
tWater does not stop
tThe water level cannot be adjusted
Damage or wear of the O-Ring. Follow the procedure in “10-1-5 Chamber Base
Connector” to replace the O-Ring.
Foreign material has become clogged in the water
route.
Perform Auto-Cleaning.
If the symptom is still not resolved, contact your
Authorized NSK Dealer.
(Ultrasonic Mode)
Problem Cause Remedy
Alarm sounds are heard, and the
Ultrasonic Mode Display (P/E/G) and
“ULTRASONIC” blink alternately when
the Foot Control button D is
depressed.
The sensor built in to the Handpiece Holder is dirty
and mistakenly detects mounting of the
Handpiece.
Wipe the sensor clean.
No/Poor vibration. The AC power cord plug is not connected to the
wall socket or electricity is not supplied to the wall
socket.
Check the connection.
The Fuse is burned out. Refer to "10-5 Replacing the fuse" and replace
the fuse.
The Tip is not tightened firmly. Rotate the Tip Wrench until it makes a click sound
and cannot rotate any further. If the problem still
persists, replace the Tip Wrench as it may be worn
out.
Worn Tip. Replace the Tip.
The screw parts of the Handpiece and Tip are not
clean.
Wipe them clean.
The screw parts of the Handpiece are worn out as
a result of a long time of use.
Contact your Authorized NSK Dealer.*
Power has not been correctly adjusted for the Tip. Adjust the power so it does not exceed the
maximum power level mentioned in Tip-Power
Guide or on the Tip case label.
The Foot Control is disconnected. Connect the Foot Control Cord Plug correctly.
Failure of vibration device in the Handpiece. Contact your Authorized NSK Dealer.*
Failure of internal components of the Foot Control. Contact your Authorized NSK Dealer.*
The sensor built in to the Handpiece Holder is dirty
and mistakenly detects mounting of the
Handpiece.
Wipe the sensor clean.
The Tip is bent or broken. Power has not been properly adjusted for the Tip. Adjust the power so it does not exceed the
maximum power level mentioned in Tip-Power
Guide or the Tip case label.
The Tip falls off. The Tip is not tightened firmly. Tighten the Tip until the Tip Wrench clicks.