INVT Goodrive GD300-19-004G-4, Руководство по эксплуатации

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Goodrive300-19 series open loop vector inverter special for hoist Maintenance and hardware diagnosis
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Maintenance and hardware diagnosis 9
9.1 What this chapter contains
The chapter contains preventive maintenance instructions of the inverter.
9.2 Maintenance intervals
If installed in an appropriate environment, the inverter requires very little maintenance. The table lists
the routine maintenance intervals recommended by INVT.
Checking Item Method Criterion
Ambient
environment
Check the ambient
temperature, humidity and
vibration and ensure there is
no dust, gas, oil fog or 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.
Measure with
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 securely.
Tighten up NA
Ensure there is no distortion,
crackles, damage or
color-changing caused by
overheat and aging to the
machine.
Visual examination NA
Ensure there is no dust or
dirtiness
Visual examination
NA
Note: If the color
of copper blocks
changes, it does
not mean there is