INVT GD200A-004G-4, Руководство по эксплуатации

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GD200A series VFD Fault tracking
-122-
8.8 Maintenance and hardware diagnostics
8.8.1 Overcurrent
If installed in an appropriate environment, the VFD requires very little maintenance. The table lists
the recommended routine maintenance intervals recommended by INVT.
Checking part Checking item
Checking
method
Criterion
Ambient environment
Check the ambient
temperature, humidity and
vibration and ensure there is
no dust, gas, oil fog and water
drop.
Visual
examination
and instrument
test
Conforming to the
manual
Ensure there are no tools or
other foreign or dangerous
objects
Visual
examination
There are no tools or
dangerous objects.
Voltage
Ensure the main circuit and
control circuit are normal.
Measurement by
millimeter
Conforming to the
manual
Keypad
Ensure the display is clear
enough
Visual
examination
The characters are
displayed normally.
Ensure the characters are
displayed totally
Visual
examination
Conforming to the
manual
Main
circuit
For public
use
Ensure the screws are
tightened up
Tighten up NA
Ensure there is no distortion,
crackles, damage or
color-changing caused by
overheating and aging to the
machine and insulator.
Visual
examination
NA
Ensure there is no dust and
dirtiness
Visual
examination
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
overheating.
Visual
examination
NA
Ensure that there are no
crackles or color-changing of
the protective layers.
Visual
examination
NA