
55
Troubleshooting
English
Symptoms
Causes/Points of checking
Countermeasures
Heat generation during operation.
Continuous use over a long period.
Stop using the Attachment and the Motor
immediately. Wait until the Attachment and
Motor cool down before using the Attachment
and Motor again.
The Cutting Accessory mounted has been
deformed.
Replace the Cutting Accessory with a new one.
The blade part of the Cutting Accessory
mounted has worn out.
●
The bearing has overheated.
●
Foreign materials inside.
●
The bearing has worn out.
Contact your Authorized NSK Dealer.
Abnormal vibration and noise. Cutting
Accessory center run-out.
The Cutting Accessory mounted has been
deformed.
Replace the Cutting Accessory with a new one.
●
The bearing has overheated.
●
Foreign materials inside.
●
The bearing has worn out.
Contact your Authorized NSK Dealer.
The Cutting Accessory cannot be removed
when operating the Removal Lever or
Fitting/Removal Button.
The Chuck has been damaged.
Incorrect Cutting Accessory is mounted.
The Cutting Accessory mounted has been
deformed.
The Attachment cannot be removed from
the Motor.
Connection part has been deformed.
The Attachment is not removed the
correctly.
Remove the Attachment correctly (see "5 – 1
Connecting and Disconnecting the
Attachment").