User manual of EC160 elevator intelligent integrated machine Maintenance and hardware diagnosis
196
Chapter 10 Maintenance and hardware diagnosis
10.1 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 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.
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.
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 changes, it
does not mean
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