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HD2 IP55 High-ingress Protection Series Inverter
8.1 What this chapter contains
This chapter describes how to carry out preventive maintenance on HD2 IP55 high
protection series inverters.
8.2 Periodical inspection
Little maintenance is required when inverters are installed in environments that meet
requirements. The following table describes the routine maintenance periods recommended
by IMO
Subject
Ambient environment
Voltage
Keypad
Common
Main
circuit
Conductor and
8 Routine maintenance
Check the temperature, and
humidity, and whether there
is vibration, dust, gas, oil
spray, and water droplets
environment.
Check whether there are
foreign matters, such as
tools,
substances placed nearby.
Check the voltage of the
main circuit and control
circuit.
Check
information.
Check whether characters
are
not
displayed.
Check whether the bolts
loose or come off.
Check
machine
cracked, or damaged, or
their color changes due to
overheating and aging.
Check whether there are
stains and dust attached.
Check
wire
conductors are deformed or
Item
Visual
and
instruments
in
the
measurement.
Visual inspection
or
dangerous
Use multimeters or
other
for measurement.
the
display
of
Visual inspection
completely
Visual inspection
Screw them up.
whether
the
is
deformed,
Visual inspection
Visual inspection
whether
the
Visual inspection
-256
Method
Criterion
inspection,
The requirements
use
stated
for
manual are met.
There are no tools
or
substances
placed nearby.
The requirements
instruments
stated
manual are met.
The
are
properly.
The requirements
stated
manual are met.
No
occurs.
No
occurs.
No
occurs.
Note:
Discoloration
copper bars does
not
they cannot work
properly.
No
occurs.
in
this
dangerous
in
this
characters
displayed
in
this
exception
exception
exception
of
mean
that
exception
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