Fault Tracking; Maintenance Intervals - TECHTOP TD20 Series Product Manual

TD20 Series VFD

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
Ambient environment
Voltage
Keypad
For public
use
Main
circuit
The lead of
the
conductors
Checking item
Check the ambient temperature,
humidity and vibration and ensure
there is no dust, gas, oil fog and
water drop.
Ensure there are no tools or other
foreign or dangerous objects
Ensure the main circuit and
control circuit are normal.
Ensure the display is clear
enough
Ensure the characters are
displayed totally
Ensure the screws are tightened
scurrility
Ensure there is no distortion,
crackles, damage or
color-changing caused by
overheating and aging to the
machine and insulator.
Ensure there is no dust and
dirtiness
Ensure that there is no distortion
or color-changing of the
conductors caused by
overheating.
Checking method
Visual examination
and instrument
test
Visual examination
Measurement by
millimeter
Visual examination
Visual examination
Tighten up
Visual examination
Visual examination
Visual examination
-85-
Fault Tracking
Criterion
Conforming to the
manual
There are no tools
or dangerous
objects.
Conforming to the
manual
The characters
are displayed
normally.
Conforming to the
manual
NA
NA
NA
Note: if the color
of the copper
blocks change, it
does not mean
that there is
something wrong
with the features.
NA