IPE300 series engineering VFD Maintenance
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8 Maintenance
8.1 What this chapter contains
This chapter describes how to carry out preventive maintenance on the VFD.
8.2 Periodical maintenance
Little maintenance is required when the VFD is installed in an environment that meets requirements.
The following table describes the routine maintenance periods recommended by INVT. The following
table describes the routine maintenance periods recommended by INVT.
Check the temperature, and
humidity, and whether there is
vibration, dust, gas, oil spray, and
water droplets in the environment.
Visual
inspection, and
use instruments
for
measurement.
The requirements
stated in this
manual are met.
Check whether there are foreign
matters, such as tools, or
dangerous substances placed
nearby.
There are no tools
or dangerous
substances placed
nearby.
Check the voltage of the main
circuit and control circuit.
Use
multimeters or
other
instruments for
measurement.
The requirements
stated in this
manual are met.
Check the display of information.
The characters are
displayed properly.
Check whether characters are not
completely displayed.
The requirements
stated in this
manual are met.
Check whether the bolts loose or
come off.
Check whether the machine is
deformed, cracked, or damaged,
or their color changes due to
overheating and aging.
Check whether there are stains
and dust attached.
No exception
occurs.
Note: Discoloration
of copper bars does
not mean that they
cannot work
properly.