Chapter 8 Maintenance and InspectionsVFD-S Series

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 inspection and smell

 

 

 

color change

 

 

 

 

 

 

 

 

 

 

 

 

If there is any crack, damage,

Visual inspection

 

 

 

deformation or corrosion

 

 

 

 

 

 

 

 

 

 

 

 

If there is any leaked liquid or

Visual inspection

 

 

 

deformation in capacitors

 

 

 

 

 

 

 

 

 

 

 

 

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 change of color due

Change fan

 

 

 

to overheating

 

 

 

 

 

 

 

 

 

 

 

 

Ventilation channel of cooling system

 

 

 

 

Maintenance

Check Items

Methods and Criterion

 

Period

 

Daily

Half

One

 

 

 

 

Year

Year

 

 

 

 

 

If there is any obstruction in the

Visual inspection

 

 

 

heat sink, air intake or air outlet

 

 

 

 

 

 

 

 

 

 

 

 

Revision August 2006, SE08, SW V2.61

8-5

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Image 154
Delta Electronics 460V Series, 230V Series, 115V Series manual Change fan To overheating