Goodrive35 Series Closed-loop Vector Control VFD Routine maintenance
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Chapter 9 Routine maintenance
9.1 What this chapter contains.
The chapter contains preventive maintenance instructions of the VFD.
9.2 Maintenance intervals
If installed in an appropriate environment, the VFD requires very little maintenance. The table lists the
routine maintenance intervals recommended by INVT.
Check the ambient
temperature, humidity and
vibration and ensure there is
no dust, gas, oil fog and water
drop.
Visual examination
and instrument test
Ensure there are no tools or
other foreign or dangerous
objects
There are no tools
or dangerous
objects.
Ensure the main circuit and
control circuit are normal.
Measurement by
millimeter
Ensure the display is clear
enough
The characters are
displayed normally.
Ensure the characters are
displayed totally
Ensure the screws are
tightened firmly
Ensure there is no distortion,
crackles, damage or
color-changing caused by
overheating and aging to the
machine and insulator.
Ensure there is no dust and
dirtiness
NA
Note: if the color of
the copper blocks
change, it does not
mean that there is
something wrong
with the features.
The lead
of the
conductors
Ensure that there is no
distortion or color-changing of
the conductors caused by