Network Device Product Manual
Table Of Contents
- Preface
- Table of Contents
- Chapter 1 Introduction
- Chapter 2 Installation and Wiring
- Chapter 3 Start Up
- Chapter 4 Digital Keypad Operation
- Chapter 5 Parameters
- 5.1 Summary of Parameter Settings
- Group 0 User Parameters
- Group 1 Basic Parameters
- Group 2 Operation Method Parameters
- Group 3 Output Function Parameters
- Group 4 Input Function Parameters
- Group 5 Multi-Step Speed and PLC Parameters
- Group 6 Protection Parameters
- Group 7 Motor Parameters
- Group 8 Special Parameters
- Group 9 Communication Parameters
- Group A PID Parameters
- 5.2 Parameter Settings for Applications
- 5.3 Description of Parameter Settings
- Group 0: User Parameters
- Group 1: Basic Parameters
- Group 2: Operation Method Parameters
- Group 3: Output Function Parameters
- Group 4: Input Function Parameters
- Group 5: Multi-step Speeds and PLC (Process Logic Control) Parameters
- Group 6: Protection Parameters
- Group 7: Motor Parameters
- Group 8: Special Parameters
- Group 9: Communication Parameters
- Group A: PID Control
- 5.1 Summary of Parameter Settings
- Chapter 6 Fault Code Information
- Chapter 7 Troubleshooting
- 7.1 Over Current (OC)
- 7.2 Ground Fault
- 7.3 Over Voltage (OV)
- 7.4 Low Voltage (Lv)
- 7.5 Over Heat (OH)
- 7.6 Overload
- 7.7 Keypad Display is Abnormal
- 7.8 Phase Loss (PHL)
- 7.9 Motor cannot Run
- 7.10 Motor Speed cannot be Changed
- 7.11 Motor Stalls during Acceleration
- 7.12 The Motor does not Run as Expected
- 7.13 Electromagnetic/Induction Noise
- 7.14 Environmental Condition
- 7.15 Affecting Other Machines
- Chapter 8 Maintenance and Inspections
- Appendix A Specifications
- Appendix B Accessories
- Appendix C How to Select the Right AC Motor Drive

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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