Manual background

 

 

Chapter 8 Maintenance and InspectionsVFD-S Series

 

 

 

Maintenance

 

Check Items

Methods and Criterion

 

Period

 

 

Daily

Half

 

One

 

 

 

 

 

 

 

 

Year

 

Year

 

Check partsfor deformity or

Visual inspection

 

{

 

 

 

damaged

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If there is any color change

Visual inspection

 

{

 

 

 

caused by overheating

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Check for dust and dirt

Visual inspection

 

{

 

 

 

 

 

 

 

 

 

„ Main circuit

 

 

 

 

 

 

 

 

Maintenance

 

Check Items

Methods and Criterion

 

Period

 

 

 

Half

 

One

 

 

 

Daily

 

 

 

 

Year

 

Year

 

 

 

 

 

 

 

 

If there are any loose or missing

Tighten or replace the screw

 

{

 

 

 

screws

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If machine or insulator is

Visual inspection

 

 

 

 

 

deformed, cracked, damaged or

 

 

 

 

 

NOTE: Please ignore the color

 

{

 

 

 

with changed color change due

 

 

 

 

change of copper plate

 

 

 

 

 

to overheating or ageing

 

 

 

 

 

 

 

 

 

 

 

Check for dust and dirt

Visual inspection

 

{

 

 

 

 

 

 

 

 

 

„Terminals and wiring of main circuit

 

 

Maintenance

Check Items

Methods and Criterion

 

Period

 

 

 

 

Daily

Half

One

 

 

 

 

Year

Year

 

 

 

 

 

If the wiring shows change of

 

 

 

 

color change or deformation due

Visual inspection

 

{

 

to overheat

 

 

 

 

If the insulation of wiring is

 

 

 

 

damaged or the color has

Visual inspection

 

{

 

changed

 

 

 

 

If there is any damage

Visual inspection

 

{

 

 

 

 

 

 

Revision August 2008, SE09, SW V2.61

8-3

Page 152
Image 152
Delta Electronics VFD-S manual Maintenance