Delta Electronics VFD-VL manual Daily, Change fan Overheat

Models: VFD-VL

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Chapter 6 Fault Code Information and Maintenance

„Magnetic contactor and relay of main circuit

 

 

Maintenance

Check Items

Methods and Criterion

 

Period

 

Daily

Half

One

 

 

 

 

Year

Year

 

 

 

 

 

If there are any loose screws

Visual and aural inspection

{

 

 

 

 

 

 

 

If the contact works correctly

Visual inspection

{

 

 

 

 

 

 

 

„Printed circuit board and connector of main circuit

 

 

 

Maintenance

 

Check Items

Methods and Criterion

 

Period

 

 

Daily

Half

One

 

 

 

 

 

 

Year

Year

 

 

 

 

 

 

 

If there are any loose screws and

Tighten the screws and press the

 

{

 

 

connectors

connectors firmly in place.

 

 

 

 

 

 

 

 

 

 

 

 

 

If there is any peculiar smell and

Visual and smell inspection

 

{

 

 

color change

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If there is any crack, damage,

Visual inspection

 

{

 

 

deformation or corrosion

 

 

 

 

 

 

 

 

 

 

 

 

 

 

If there is any liquid is leaked or

Visual inspection

 

{

 

 

deformation in capacity

 

 

 

 

 

 

 

 

 

 

 

 

 

„ Cooling fan of cooling system

 

 

 

 

 

 

 

Maintenance

 

Check Items

Methods and Criterion

 

Period

 

 

Daily

Half

One

 

 

 

 

 

 

Year

Year

 

 

 

 

 

 

 

 

Visual, aural inspection and turn the

 

 

 

 

If there is any abnormal sound or

fan with hand (turn off the power

 

{

 

 

vibration

before operation) to see if it rotates

 

 

 

 

 

 

 

 

smoothly

 

 

 

 

If there is any loose screw

Tighten the screw

 

{

 

 

 

 

 

 

 

 

If there is any color change due to

Change fan

 

{

 

 

overheat

 

 

 

 

 

 

 

 

 

 

 

 

 

6-14

Revision Nov. 2008, VLE1, SW V1.03

Page 191
Image 191
Delta Electronics VFD-VL manual Daily, Change fan Overheat