What to do if my NSK NLZ motor heats up abnormally during rotation?
- NNatasha SandersAug 21, 2025
If the motor heats up abnormally, check the air pressure on the side of the dental unit to ensure that coolant air is being supplied properly.

What to do if my NSK NLZ motor heats up abnormally during rotation?
If the motor heats up abnormally, check the air pressure on the side of the dental unit to ensure that coolant air is being supplied properly.
What to do if I detected a residual overvoltage when the motor was started on my NSK NLZ?
If a residual overvoltage is detected when the motor is started, wait for approximately 5 seconds, then press the foot pedal again. If the error persists, check if the motor and motor cord are properly connected.
What to do if I detected an overvoltage of an LED light on my NSK NLZ Dental equipment?
If an overvoltage of an LED light is detected, check the LED light connection.
What to do if I detected an under-voltage input to my NSK NLZ unit?
If an under-voltage input is detected, check the proper connection of the AC adapter and AC power cord.
What to do if I detected an overvoltage input to my NSK NLZ Dental equipment unit?
If an overvoltage input is detected, check the proper connection of the AC adapter and AC power cord.
What to do if a motor heat generation error was detected on my NSK NLZ?
If a motor heat generation error is detected, leave the motor until it cools down.
What to do if an increasing handpiece heat generation error was detected on my NSK dental equipment?
If an increasing handpiece heat generation error is detected, perform maintenance on the handpiece, and then check the handpiece by the Contra- Check.
What to do if my NSK NLZ shows a handpiece heat generation error?
If a handpiece heat generation error is detected, perform maintenance on the handpiece and then check it using the Contra-Check.
What to do if I detected over current in the circuit of my NSK NLZ?
To address an overcurrent issue, avoid overloading the handpiece with continuous heavy cutting. Press the foot pedal again to clear the error.
| Brand | NSK |
|---|---|
| Model | NLZ |
| Category | Dental equipment |
| Language | English |
Lists critical safety warnings and operational precautions to prevent injury or damage.
Explains the layout and functions of the control panel and LCD display.
Step-by-step instructions for physically installing the main and control units.
Detailed instructions for connecting the tubing from the dental unit to the main unit.
Steps for properly connecting the motor cord and AC adapter to the main unit.
Procedures for connecting the AC power cord and handling motor/cord connections.
Guide to entering setup mode and customizing system functions.
Essential pre-operation checks to ensure proper function and safety.
Procedure for evaluating handpiece status and calibrating torque.
Explains built-in functions to prevent motor and handpiece overheating.
Lists all error codes, their causes, and recommended remedies.
Addresses common problems and provides step-by-step troubleshooting actions.