Panasonic A4P Series User Manual

12

Daily

Annual

• Ambient temperature, humidity, speck, dust or foreign object
• Abnormal vibration and noise
• Main circuit voltage
• Odor
• Lint or other particles at air holes
• Cleanness at front portion of the driver and connecter
• Damage of the cables
• Loose connection or misalignment between the motor and 
  machine or equipment 
• Pinching of foreign object at the load

• Loose tightening
• Trace of overheat
• Damage of the terminals

Daily 
inspection

Periodical 
inspection

 • Routine maintenance and inspection of the driver and motor are essential for the proper and safe operation.

1) Turn on and turn off should be done by operators or inspectors themselves.
2) Internal circuit of the driver is kept charged with high voltage for a while even after power-off. Turn off the

power and allow 15 minutes or longer after LED display of the front panel has gone off, before performing
maintenance and inspection.

3) Disconnect all of the connection to the driver when performing megger test (Insulation resistance mea-

surement) to the driver, otherwise it could result in breakdown of the driver.

General and normal running condition

Perform the daily and periodical inspection as per the items below.

<Note>  Inspection cycle may change when the running conditions of the above change.