8 Inspection and Maintenance
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8.1 Daily Maintenance
8.1.1 Daily Inspection Items
aging of the components inside the controller, which may cause potential faults or
reduce
the service life of the controller. Therefore, it is necessary to carry out daily and
regular
maintenance for the controller. Cycles and intervals of regular checks shall also be
shortened especially in environments or situations where temperature is high, cabinet
impact
occurs, or dust or metal powder or corrosives such as hydrochloric acid exist.
Check the following items every day to avoid deterioration in performance or product
Inspection
Item
Inspection Points Correction Checked
Motor
Check whether
abnormal
oscillation or noise
exists.
◆
Check the mechanical connection.
◆
Check the power phases of the motor.
◆
Tighten all loose screws.
Cooling fan
Check whether
the cooling fans of
the controller and
the motor work
abnormally.
◆
Check running of the cooling fan of
the controller.
◆
Check running of the cooling fan of
the motor.
◆
◆
Check whether the ambient
temperature is within the allowable
range.
Installation
environment
Check whether the
cabinet and cable
duct are abnormal.
◆
Check whether insulation of the input
and output cables of the controller is
damaged.
◆
Check whether the mounting bracket
is shaking.
◆
Check whether the copper bar and
terminals are loose and corroded.
Load
Check whether the
controller output
current exceeds the
controller rating
and motor rating
for a certain time.
◆
Check for setting of motor parameters.
◆
Check for excessive load.
◆
Check for mechanical vibration (< 0.6
g on normal condition).
Input voltage
Check the main
power supply and
the control voltage.
◆
Adjust the input voltage to the
allowable range.
◆
Check for starting of heavy load.
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