Periodical Maintenance Checks; Error Code - NSK Variosurg3 Mode D'emploi

air should be free from fine dust, salt and sulphur.
Do not heat or cool the product too quickly. Rapid temperature change could cause damage to the
CAUTION
product.
If the sterilizer chamber temperature exceeds 135°C during the dry cycle then delete the dry cycle.
Autoclave sterilization is recommended for the product. The validity of other sterilization methods is not
confirmed.
Do not touch the product immediately after autoclaving as it will be very hot and it must remain in a sterile
condition until used.
After autoclave sterilizarion if there are water drops on the LED Handpiece with Cord, wipe them away, as
they may cause discolouration.
NOTICE NSK recommends Class B Sterilizers as stated in EN13060.
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Periodical Maintenance Checks

Perform periodical maintenance checks every three months, referring to the check sheet below. If any abnormalities are
found, contact your Authorized NSK Dealer.
Points to check
Vibration
Irrigation
Illumination
Display
Foot Control
11

Error code

If the device stops operating due to excessive pressure, Tip or cord disconnection or incorrect usage, the LCD Display
will show an error code. If this happens, release, then depress the Foot Control to repeat the error check. If the problem
self corrects the error display will cancel and operation can be resumed. If the error display is repeated refer to the table
below and take appropriate action.
Error code Description of error
E2 Vibrator error
Overheating inside the
E4
Control Unit
E8 Pump error
Operate the Handpiece and confirm that there are no vibration, noise, or heat abnormalities
Confirm that there are no abnormalities in the Coolant Flow Level or no leaks
Confirm that the Handpiece LED illumination is correctly functioning
Immediately after AC power is switched ON, all display lights should illuminate. Confirm that
all display lights are working
Confirm that all the buttons operate normally
Cause of error
The end of the Tip is under too
much pressure.
The Tip is not correctly
inserted. The Tip is not
tightened sufficiently.
The Handpiece Cord is not
properly connected.
Breaking in the Handpiece
Cord.
Increase in temperature
inside the Control Unit due
to prolonged use under high
pressure.
The Irrigation Tube is caught
in the Pump Roller.
Failure of the Pump.
Details
Avoid applying excessive pressure. If the Tip
is caught during a cutting operation, press the
Ultrasonic ON-OFF Button and gently extract the
Tip while vibrating it. (Never use force)
Insert the Tip and tighten it using the Tip Wrench
until it clicks into position.
Check the connection of the Handpiece Cord.
If the problem persists, contact your Authorized
NSK Dealer.
Turn OFF the power, allow time to cool, then
operate the device again.
If this error code is displayed frequently, contact
your Authorized NSK Dealer.
Check the Irrigation Tube is correctly connected
If the problem persists, contact your Authorized
NSK Dealer.
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Check / Remedy