Main Circuit; Terminals And Wiring Of Main Circuit - Delta VFD-B User Manual

Check Items
Check parts for deformity or
damaged
If there is any color change
caused by overheating
Check for dust and dirt

Main circuit

Check Items
If there are any loose or missing
screws
If machine or insulator is
deformed, cracked, damaged or
with color change due to
overheating or ageing
Check for dust and dirt

Terminals and wiring of main circuit

Check Items
If the wiring is color change or
deformation due to overheat
If the insulator of wiring is
damaged or color change
If there is any damage
Revision July 2008, BE16, SW V4.08 & V5.00
Chapter 8 Maintenance and Inspections|VFD-B Series
Methods and Criterion
Visual inspection
Visual inspection
Visual inspection
Methods and Criterion
Tighten or replace the screw
Visual inspection
NOTE: Please ignore the color
change of copper plate
Visual inspection
Methods and Criterion
Visual inspection
Visual inspection
Visual inspection
Maintenance
Period
Half One
Daily
Year Year
Maintenance
Period
Half One
Daily
Year Year
Maintenance
Period
Half One
Daily
Year Year
8-3