Mitsubishi Electric FR-A700 Instruction Manual page 9

4.30 Parameter copy and parameter verification ................................................. 392
4.30.1 Parameter copy .................................................................................................................... 392
4.30.2 Parameter verification........................................................................................................... 393
4.31 Check and clear of the alarm history ............................................................ 394
5 PROTECTIVE FUNCTIONS
5.1 Reset method of protective function ............................................................. 398
5.2 List of alarm display ........................................................................................ 399
5.3 Causes and corrective actions ....................................................................... 400
5.4 Correspondences between digital and actual characters ........................... 413
5.5 Check first when you have troubles .............................................................. 414
5.5.1 Motor will not start ................................................................................................................. 414
5.5.2 Motor generates abnormal noise ........................................................................................... 414
5.5.3 Motor generates heat abnormally .......................................................................................... 415
5.5.4 Motor rotates in opposite direction ........................................................................................ 415
5.5.5 Speed greatly differs from the setting .................................................................................... 415
5.5.6 Acceleration/deceleration is not smooth ................................................................................ 415
5.5.7 Motor current is large............................................................................................................. 415
5.5.8 Speed does not increase....................................................................................................... 415
5.5.9 Speed varies during operation............................................................................................... 416
5.5.10 Operation mode is not changed properly .............................................................................. 416
5.5.11 Operation panel (FR-DU07) display is not operating............................................................. 416
5.5.12 POWER lamp is not lit ........................................................................................................... 416
5.5.13 Parameter write cannot be performed ................................................................................... 416
6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
6.1 Inspection item................................................................................................. 418
6.1.1 Daily inspection ..................................................................................................................... 418
6.1.2 Periodic inspection ................................................................................................................ 418
6.1.3 Daily and periodic inspection ................................................................................................. 419
6.1.4 Display of the life of the inverter parts ................................................................................... 420
6.1.5 Checking the inverter and converter modules ....................................................................... 420
6.1.6 Cleaning ................................................................................................................................ 421
6.1.7 Replacement of parts ............................................................................................................ 421
6.1.8 Inverter replacement.............................................................................................................. 425
6.2 Measurement of main circuit voltages, currents and powers ..................... 426
6.2.1 Measurement of powers ........................................................................................................ 428
VII
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