Unitronics UMI-B1 UL Series User Manual

UMI-B1 UL Series Inverter Fault tracking
98
6 Fault Tracking
6.1 Maintenance intervals
If installed in an appropriate environment, the inverter requires very little maintenance.
The table lists the routine maintenance intervals recommended by UNITRONICS.
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 securely.
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

Unitronics UMI-B1 UL Series Specifications

General

Brand	Unitronics
Model	UMI-B1 UL Series
Category	Inverter
Language	English