INVT GD20-004G-2-EU, Руководство по эксплуатации

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Goodrive20-EU series VFD Fault tracking
101
6 Fault tracking
6.1 Maintenance intervals
If installed in an appropriate environment, the VFD requires very little maintenance. The table
lists the routine maintenance intervals recommended by INVT.
Item to be checked Details Check mode 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 scurrility
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 copper blocks
change, it does
not mean that
there is something
wrong with the
features.