Delta Electronics AC Drive VFD-F Series Especificações descarregar pdf (Página 154)

Chapter 8 Maintenance and Inspections|VFD-S Series

Revision August 2008, SE09, SW V2.61 8-5

 Printed circuit board and connector of main circuit

Maintenance

Period

Check Items Methods and Criterion

Daily

Half

Year

One

Year

If there are any loose screws and

connectors

Tighten the screws and press the

connectors firmly in place.

{

If there is any peculiar smell and

color change

Visual inspection and smell

{

If there is any crack, damage,

deformation or corrosion

Visual inspection

{

If there is any leaked liquid or

deformation in capacitors

Visual inspection

{

 Cooling fan of cooling system

Maintenance

Period

Check Items Methods and Criterion

Daily

Half

Year

One

Year

If there is any abnormal sound or

vibration

Visual, aural inspection and turn the

fan with hand (turn off the power

before operation) to see if it rotates

smoothly

{

If there is any loose screw Tighten the screw

{

If there is any change of color due

to overheating

Change fan

{

 Ventilation channel of cooling system

Maintenance

Period

Check Items Methods and Criterion

Daily

Half

Year

One

Year

If there is any obstruction in the

heat sink, air intake or air outlet

Visual inspection

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