IV
4.2.36 Output (remote input) function selection (Pr. 190 to Pr. 192).........................132
4.2.37 Cooling fan operation selection (Pr. 244).......................................................133
4.2.38 Slip compensation (Pr. 245 to Pr. 247) ..........................................................134
4.2.39 Ground fault detection at start (Pr. 249).........................................................135
4.2.40 Stop selection (Pr. 250)..................................................................................136
4.2.41 Communication error "E.OPT" operation selection (Pr. 500 to Pr. 502).........138
5 PROTECTIVE FUNCTIONS 140
5.1 Errors (Alarms)........................................................................................................140
5.1.1 Operation at Alarm Occurrence........................................................................140
5.1.2 Error (alarm) definitions....................................................................................141
5.1.3 To know the operating status at the occurrence of alarm.................................147
5.1.4 Correspondence between digital and actual characters...................................148
5.1.5 Resetting the inverter .......................................................................................148
5.1.6 How to Check for Error using the LEDs............................................................149
5.2 Troubleshooting......................................................................................................152
5.2.1 Motor remains stopped.....................................................................................152
5.2.2 Motor rotates in opposite direction ...................................................................152
5.2.3 Speed greatly differs from the setting...............................................................152
5.2.4 Acceleration/deceleration is not smooth...........................................................153
5.2.5 Motor current is large........................................................................................153
5.2.6 Speed does not increase..................................................................................153
5.2.7 Speed varies during operation..........................................................................153
5.2.8 Operation mode unswitched to CC-Link operation mode.................................154
5.2.9 Inverter unstarted in CC-Link operation mode..................................................154
5.2.10 Parameter write cannot be performed............................................................154
5.3 Precautions for Maintenance and Inspection..........................................................155
5.3.1 Precautions for maintenance and inspection ...................................................155
5.3.2 Check items......................................................................................................155
5.3.3 Periodic inspection ...........................................................................................156
5.3.4 Insulation resistance test using megger ...........................................................156
5.3.5 Pressure test ....................................................................................................156
5.3.6 Daily and Periodic Inspection...........................................................................157
5.3.7 Replacement of parts .......................................................................................160
5.3.8 Measurement of main circuit voltages, currents and powers............................162
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