Delta Electronics VFD037CB43A-20 Руководство по эксплуатации онлайн [355/363] 460064

Delta Electronics VFD037CB43A-20 Руководство по эксплуатации онлайн [355/363] 460064
Chapter 15 Suggestions and Error Corrections for Standard AC Motor Drives |C200 Series
15-3
Main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there are any loose or missing screws Tighten or replace the screw
If machine or insulator is deformed, cracked,
damaged or with color change due to
overheating or ageing
Visual inspection
NOTE: Please ignore the
color change of copper
plate
If there is any dust or dirt Visual inspection
Terminals and wiring of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If the terminal or the plate is color change or
deformation due to overheat
Visual inspection
If the insulator of wiring is damaged or color
change
Visual inspection
If there is any damage Visual inspection
DC capacity of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any leak of liquid, color change,
crack or deformation
Visual inspection
If the safety valve is not removed? If valve is
inflated?
Visual inspection
Measure static capacity when required
Resistor of main circuit
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there is any peculiar smell or insulator
cracks due to overheat
Visual inspection, smell
If there is any disconnection Visual inspection
If connection is damaged?
Measure with multimeter with
standard specification

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