Mitsubishi Electric FR-E 500 Instruction Manual page 10

4.2.42 Actual operation hour meter clear (Pr. 171) ...................................................148
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 Stop selection (Pr. 250)..................................................................................153
4.2.48 Output phase failure protection selection (Pr. 251) ........................................154
4.2.49 Meter (frequency meter) calibration (Pr. 901).................................................155
4.2.50 Biases and gains of the frequency setting voltage (current)
(Pr. 902 to Pr. 905)..........................................................................................157
5 PROTECTIVE FUNCTIONS
5.1 Errors (Alarms)........................................................................................................163
5.1.1 Error (alarm) definitions ....................................................................................163
5.1.2 To know the operating status at the occurrence of alarm.................................171
5.1.3 Correspondence between digital and actual characters...................................171
5.1.4 Resetting the inverter .......................................................................................171
5.2 Troubleshooting ......................................................................................................172
5.2.1 Motor remains stopped.....................................................................................172
5.2.2 Motor rotates in opposite direction ...................................................................172
5.2.3 Speed greatly differs from the setting...............................................................173
5.2.4 Acceleration/deceleration is not smooth...........................................................173
5.2.5 Motor current is large........................................................................................173
5.2.6 Speed does not increase..................................................................................173
5.2.7 Speed varies during operation..........................................................................173
5.2.8 Operation mode is not changed properly .........................................................174
5.2.9 Control panel display is not operating ..............................................................174
5.2.10 POWER lamp is not lit....................................................................................174
5.2.11 Parameter write cannot be performed ............................................................174
5.3 Precautions for Maintenance and Inspection..........................................................175
5.3.1 Precautions for maintenance and inspection ...................................................175
5.3.2 Check items......................................................................................................175
5.3.3 Periodic inspection ...........................................................................................175
5.3.4 Insulation resistance test using megger ...........................................................176
5.3.5 Pressure test ....................................................................................................176
IV
163