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6.1.4 Resetting the inverter................................................................................ 161
6.2 Troubleshooting ......................................................................162
6.2.1 Motor remains stopped ............................................................................. 162
6.2.2 Motor rotates in opposite direction............................................................ 162
6.2.3 Speed greatly differs from the setting ....................................................... 163
6.2.4 Acceleration/deceleration is not smooth. .................................................. 163
6.2.5 Motor current is large................................................................................ 163
6.2.6 Speed does not increase .......................................................................... 163
6.2.7 Speed varies during operation.................................................................. 163
6.2.8 Operation mode is not changed properly.................................................. 164
6.2.9 Operation mode is not switched to CC-Link operation mode.................... 164
6.2.10 Inverter cannot be started in CC-Link operation mode ............................. 164
6.2.11 Operation panel display is not provided.................................................... 164
6.2.12 Parameter write cannot be performed ...................................................... 164
6.2.13 Motor produces annoying sound............................................................... 164
6.3 Precautions for Maintenance and Inspection..........................165
6.3.1 Precautions for maintenance and inspection............................................ 165
6.3.2 Check items .............................................................................................. 165
6.3.3 Periodic inspection.................................................................................... 165
6.3.4 Insulation resistance test using megger.................................................... 166
6.3.5 Pressure test............................................................................................. 166
6.3.6 Daily and periodic inspection .................................................................... 167
6.3.7 Replacement of parts................................................................................ 171
6.3.8 Measurement of main circuit voltages, currents and powers.................... 174
7. SPECIFICATIONS 177
7.1 Ratings....................................................................................178
7.2 Common Specifications ..........................................................179
7.3 PLC Function Specifications...................................................180
7.4 CC-Link Interface Specifications.............................................180
7.5 Outline Drawings.....................................................................181
APPENDICES 183
Appendix 1 Parameter Data Codes for Computer Link
Operation Using RS-485 Communication.................... 184
Appendix 2 Instructions for Compliance with
the European Standards..............................................187
Appendix 3 Instructions for compliance with U.S. and Canadian
Electrical Codes...........................................................189