Delta 1.07 VFD-D D - Manual (Page 129)

Chapter 6 Fault Codes and Descriptions |DD Series
6-8
Maintenance
Period
Check Items Methods and Criterion
Daily
Half
Year
One
Year
If there are any loose screws Tighten the screws {
If any part is deformed or damaged Visual inspection {
If there is any color change by
overheating
Visual inspection {
If there is any dust or dirt Visual inspection {
„ 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 {