Check Items

Check parts for deformity or

damaged

If there is any color change

caused by overheating

Check for dust and dirt

Chapter 8 Maintenance and Inspections|VFD-B Series

Methods and Criterion

Maintenance

Period

Daily

Half

Year

One

Year

Visual inspection

{

Visual inspection

{

Visual inspection

{

„ Main circuit

Check Items

Methods and Criterion

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

Tighten or replace the screw

Visual inspection

NOTE: Please ignore the color

change of copper plate

Check for dust and dirt

Visual inspection

Maintenance

Period

Daily

Half

Year

One

Year

{

{

{

„ Terminals and wiring of main circuit

Check Items

Methods and Criterion

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

Visual inspection

Visual inspection

Visual inspection

Maintenance

Period

Daily

Half

Year

One

Year

{

{

{

Revision July 2008, BE16, SW V4.08 & V5.00

8-3