Goodrive20-EU Series VFD
Fault tracking
-101-
Chapter 6 Fault tracking
6.1 Fault prevention
This chapter describes how to carry out preventive maintenance on VFDs.
6.1.1 Periodical maintenance
If the VFD is installed in an environment that meets requirements, little maintenance is needed.
The following table describes the routine maintenance periods recommended by INVT. For
more detailed information on maintenance, please contact us.
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
multimeter
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
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