Mitsubishi Electric FR-F740-00023-EC Instruction Manual page 9

3.24 Parameter copy and parameter verification ................................................. 228
3.24.1 Parameter copy ..................................................................................................................... 228
3.24.2 Parameter verification............................................................................................................ 229
3.25 Check and clear of the alarm history ............................................................ 230
4 PROTECTIVE FUNCTIONS
4.1 List of alarm display ........................................................................................ 234
4.2 Causes and corrective actions ....................................................................... 235
4.3 Reset method of protective function ............................................................. 246
4.4 Correspondences between digital and actual characters ........................... 246
4.5 Meters and measuring methods ..................................................................... 247
4.5.1 Measurement of powers ........................................................................................................ 247
4.5.2 Measurement of voltages and use of PT ............................................................................... 248
4.5.3 Measurement of currents....................................................................................................... 248
4.5.4 Use of CT and transducer ..................................................................................................... 249
4.5.5 Measurement of inverter input power factor .......................................................................... 249
4.5.6 Measurement of converter output voltage (across terminals P/+ - N/-) ................................. 249
4.6 Check first when you have troubles .............................................................. 250
4.6.1 Motor does not rotate as commanded ................................................................................... 250
4.6.2 Motor generates abnormal noise ........................................................................................... 250
4.6.3 Motor generates heat abnormally .......................................................................................... 250
4.6.4 Motor rotates in opposite direction ........................................................................................ 251
4.6.5 Speed greatly differs from the setting .................................................................................... 251
4.6.6 Acceleration/deceleration is not smooth ................................................................................ 251
4.6.7 Motor current is large............................................................................................................. 251
4.6.8 Speed does not increase....................................................................................................... 251
4.6.9 Speed varies during operation............................................................................................... 251
4.6.10 Operation mode is not changed properly .............................................................................. 252
4.6.11 Operation panel (FR-DU07) display is not operating............................................................. 252
4.6.12 POWER lamp is not lit ........................................................................................................... 252
4.6.13 Parameter write cannot be performed ................................................................................... 252
5 SPECIFICATIONS
5.1 Rating................................................................................................................ 254
5.2 Common specifications .................................................................................. 255
5.3 Outline dimension drawings ........................................................................... 257
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