Routine Maintenance and Inspection
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8 Routine Maintenance and Inspection
8.1 Routine Inspection Items
8.1.1 Daily Inspection Items
Influence of ambient temperature, humidity, dust, and vibration will cause aging of
components in the device, resulting in potential faults or shortened service life of the
device. Therefore, carry out daily and periodic maintenance. More frequent
maintenance is required if the device is used in harsh environments, including the
following:
● High ambient temperature
● Frequent start and stop
● Fluctuations in the AC power supply or load
● Excessive vibrations or shocks
● Dust, metal dust, hydrochloric acid, and other corrosive articles
Check the following items daily to avoid deterioration in performance or product
damage. Print the checklist and sign the "Checked" column after each inspection.
Item Description Solution Checked
Motor Check whether abnormal sounds
and vibration occur on the motor.
● Check whether the mechanical
connection is normal.
● Check whether phase loss occurs on the
motor.
● Check whether retaining screws of the
motor are tightened.
Cooling fan Check whether the cooling fans of
the AC drive and motor are
normal.
● Check whether the cooling fan of the AC
drive is normal.
● Check whether the cooling fan of the
motor is normal.
● Check whether the ventilation is clogged.
● Check whether the ambient temperature
is within the permissible range.
Installation
environment
Check whether the cabinet and
cable ducts are normal.
● Check for insulation damage of input and
output cables.
● Check for the mounting bracket vibration.
● Check whether copper busbars and cable
terminals become loose or get corroded.
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