Maintenance And Inspections - Panasonic MINAS A6N Series Operating Instructions Manual

Maintenance and Inspections

Routine maintenance and inspection of the driver and motor are essential for the
proper and safe operation.
Notes on Maintenance and Inspection
1) Turn on and turn off should be done by operators or inspectors themselves. While
power is veing supplied, do not approach the motor and the machine driwen by the
motor in case of malfunctioning.
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 charge lamp 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 measurement) to the driver, otherwise it could result in malfunction of the
driver.
4) Do not use benzine, thinner, alcohol, acidic cleaner and alkaline cleaner because they
can discolor or damage the exterior case.
Inspection Items and Cycles
General and normal running condition
Ambient conditions : 30 ˚C (annual average), load factor of 80 % or
lower, operating hours of 20 hours or less per day.
Perform the daily and periodical inspection as per the items below.
Type
Daily
inspection
Periodic
inspection
Note
Periodic inspection cycle may change when the running conditions of the above
change.
10
Cycles
• Ambient temperature, humidity, speck, dust or foreign object
• Abnormal vibration and noise
• Main circuit voltage
• Odor
• Lint or other particles at air holes
Daily
• Cleanness at front portion of the driver and connector
• 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
Annual
• Damage to the terminal block
• Loose fasteners on terminal block
Items to be inspected
Rev.2.00