TECHTOP TD20 Series - Fault Tracking; Maintenance Intervals

TD20 Series VFD Fault Tracking
-85-
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 TECHTOP CANADA INC..
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
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 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