Chapter 8 Maintenance and Inspections|VFD-B Series

Periodical Maintenance

„ Ambient environment

Check Items

Methods and Criterion

Check the ambient temperature,

humidity, vibration and see if

there is any dust, gas, oil or

water drops

Check for any dangerous

objects near drive and motor

Visual inspection and measurement

with equipment with standard

specification

Visual inspection

Maintenance

Period

Daily

Half

Year

One

Year

{

{

„ Voltage

Check Items

Check if the voltage of main

circuit and control circuit is

correct

Methods and Criterion

Maintenance

Period

Daily

Half

Year

One

Year

Measure with multimeter with standard

specification

{

„ Keypad

Check Items

Methods and Criterion

Is the display clear for reading

Any missing characters

Visual inspection

Visual inspection

Maintenance

Period

Daily

Half

Year

One

Year

{

{

„ Mechanical parts

Check Items

Methods and Criterion

If there is any abnormal sound

or vibration

If there are any loose screws

Visual and aural inspection

Tighten the screws

Maintenance

Period

Daily

Half

Year

One

Year

{

{

8-2

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