NSK NLZ E Mode D'emploi page 29

Operation Procedure
4-4 Contra-Check Function
This function evaluates the state of the Contra Angle / Straight Handpiece as:
"OK" : The check result is acceptable
"OIL" : Needs a maintenance such as lubricating with oil
"NG" : There is a serious malfunction
Damaged handpiece, Foreign materials in the handpiece, Inadequate Maintenance, and Water Entrance are
risks for overheating/burn event. Those abnormalities appear as vibration, noise or overheating.Check handpiece
for those abnormalities before treatment, or it may cause overheating of handpiece and cause burn in patients.
Contra-Check function niether measures the temperature of overheating handpiece directly nor assures to
maintain handpiece safe temperature. As possible risk of overheating still remains even after Contra-Check,
make sure to always check for above abnormalities before treatment.
If any abnormality, such as vibration, noise or overheating occurs, stop using the handpiece immediately and
contact your authorized NSK dealer.
This function is only available for NSK Contra Angle /Straight Handpiece : models of Z95L, Z85L, X95EX, X95L,
X95, M95L, M95, X85L, X85, nano95LS of Gear Ratio 1:5, Z25L, X25L, X25, X65L, X65, M25L, M25, M65,
nano25LS of Gear Ratio 1:1, Z15L, X15L, X15, M15L, M15 of Gear Ratio 4:1 and the NLZ Endo Contra Angle
Handpiece of Gear Ratio 6:1.
Use of incorrect handpieces may cause overheating.
Perform this function before treatment to check the handpiece status.
Contra-Check function includes torque calibration under the Rotary Endo Mode.
Torque displayed in the Rotary Endo Mode varies according to the type of handpiece or it's using condition. This
is a function to recognize the rotation torque of the attached handpiece and to adjust the generated torque into
the set torque limit value.
After the Handpiece is evaluated as "NG" or "OIL" through the Contra-Check, the motor rotation is automatically
slowed down and stopped if the risk of overheating is detected. (Refer to "3-8 Changing the settings for various
functions")
WARNING
NOTICE
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