46
Maintenance item
Maintenance
description
Examination period
Examination method
Criterion
Countermeasure
Routine
1 year
Installation site
environment
Reconfirm
environment
temperature and
humidity
Refer to installation
instructions and
measure with
thermometer and
hygrometer.
Temperature: -
10~40°C
Humidity: Under 95%
non-condensing
Improve installation
site environment
Check and remove
any flammable
material nearby
Visual inspection
No foreign object
Inverter installation
and grounding
Is there any abnormal
vibration on the
installation site?
Visual and audio
inspection
Within acceptable
range
Tighten loose screw
Is the grounding
resistance within
acceptable range?
Measure resistance
by multi-meter
200V class under 100
ohm
Improve grounding
Input power source
voltage
Is the voltage of the
primary circuitry
normal?
Measure voltage by
multi-meter
Voltage level
conforming
specification
Improve power source
Inverter external
terminal mounting
screw
Is the tighten parts
secured?
Visual inspection.
Use screwdriver to
verify screw tightness
No abnormality
Tighten loose screw or
return for repair
Is there any sign of
breakage on the
terminal panel?
Is there any obvious
rusty conditions?
Internal wiring of
inverter
Is it deformed or
skewed?
Visual inspection
No abnormality
Replace or return for
repair
Is the insulation of
wire broken?
Heatsink
Is it accumulating dust
or dirt?
Visual inspection
No abnormality
Clean up dust or dirt
PCB
Is it accumulating
conductive metal?
Visual inspection
No abnormality
Clean up or replace
PCB
Is there any
overheated or burnt
components?
Cooling fan
Is there any abnormal
vibration or noise?
Visual and audio
inspection
No abnormality
Replace cooling fan
Is it accumulating dust
or dirt?
Visual inspection
Clean up
Power component
Is it accumulating dust
or dirt?
Visual inspection
No abnormality
Clean up
Capacitor
Is there any sign of
strange order or
leakage?
Visual inspection
No abnormality
Replace capacitor or
inverter
Is there any sign of
swelling or bulging?
Routine examination and periodical examination
Inverter requires routine and periodical examination and maintenance.
Carry out the examination only after the "Power LED" indicator goes off for at least 5 min-
utes.
Содержание Crane Commander CCES102
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