Goodrive20-UL 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.
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
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
Summary of Contents for GD20-0R4G-2-UL
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