IV
4.2.43 Input terminal function selection (Pr. 180 to Pr. 183) .....................................148
4.2.44 Output terminal function selection (Pr. 190 to Pr. 192)...................................150
4.2.45 Cooling fan operation selection (Pr. 244).......................................................151
4.2.46 Slip compensation (Pr. 245 to Pr. 247) ..........................................................152
4.2.47 Ground fault detection at start (Pr. 249)
(400V class does not have this function) ........................................................153
4.2.48 Stop selection (Pr. 250)..................................................................................154
4.2.49 Output phase failure protection selection (Pr. 251)........................................155
4.2.50 Meter (frequency meter) calibration (Pr. 900) (200V class, 100V class) .......156
4.2.51 Meter (frequency meter) calibration (Pr. 901) (400V class)............................158
4.2.52 Biases and gains of the frequency setting voltage (current)
(Pr. 902 to Pr. 905)...........................................................................................160
5 PROTECTIVE FUNCTIONS 166
5.1 Errors (Alarms)........................................................................................................166
5.1.1 Error (alarm) definitions....................................................................................166
5.1.2 To know the operating status at the occurrence of alarm.................................174
5.1.3 Correspondence between digital and actual characters...................................174
5.1.4 Resetting the inverter .......................................................................................174
5.2 Troubleshooting......................................................................................................175
5.2.1 Motor remains stopped.....................................................................................175
5.2.2 Motor rotates in opposite direction ...................................................................175
5.2.3 Speed greatly differs from the setting...............................................................176
5.2.4 Acceleration/deceleration is not smooth...........................................................176
5.2.5 Motor current is large........................................................................................176
5.2.6 Speed does not increase..................................................................................176
5.2.7 Speed varies during operation..........................................................................176
5.2.8 Operation mode is not changed properly .........................................................177
5.2.9 Control panel display is not operating ..............................................................177
5.2.10 POWER lamp is not lit....................................................................................177
5.2.11 Parameter write cannot be performed............................................................177
5.3 Precautions for Maintenance and Inspection..........................................................178
5.3.1 Precautions for maintenance and inspection ...................................................178
5.3.2 Check items......................................................................................................178
5.3.3 Periodic inspection ...........................................................................................178
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