Mitsubishi Electric F700 Instruction Manual page 7

4.22 Setting from the parameter unit, operation panel........................................ 223
4.22.1 PU display language selection (Pr. 145) .............................................................................. 223
4.22.2 Operation panel frequency setting/key lock operation selection (Pr. 161) ........................... 223
4.22.3 Buzzer control (Pr. 990)........................................................................................................ 225
4.22.4 PU contrast adjustment (Pr. 991) ......................................................................................... 225
4.23 Parameter clear ............................................................................................... 226
4.24 All parameter clear.......................................................................................... 227
4.25 Parameter copy and parameter verification ................................................. 228
4.25.1 Parameter copy .................................................................................................................... 228
4.25.2 Parameter verification........................................................................................................... 229
4.26 Check and clear of the alarm history ............................................................ 230
5 PROTECTIVE FUNCTIONS
5.1 Reset method of protective function ............................................................. 234
5.2 List of alarm display ........................................................................................ 235
5.3 Causes and corrective actions ....................................................................... 236
5.4 Correspondences between digital and actual characters ........................... 247
5.5 Check first when you have troubles .............................................................. 248
5.5.1 Motor does not start............................................................................................................... 248
5.5.2 Motor generates abnormal noise........................................................................................... 248
5.5.3 Motor generates heat abnormally .......................................................................................... 248
5.5.4 Motor rotates in opposite direction ........................................................................................ 249
5.5.5 Speed greatly differs from the setting .................................................................................... 249
5.5.6 Acceleration/deceleration is not smooth ................................................................................ 249
5.5.7 Motor current is large............................................................................................................. 249
5.5.8 Speed does not increase ....................................................................................................... 249
5.5.9 Speed varies during operation............................................................................................... 249
5.5.10 Operation mode is not changed properly .............................................................................. 250
5.5.11 Operation panel (FR-DU07) display is not operating............................................................. 250
5.5.12 POWER lamp is not lit ........................................................................................................... 250
5.5.13 Parameter write cannot be performed ................................................................................... 250
6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION
6.1 Inspection item................................................................................................. 252
6.1.1 Daily inspection ..................................................................................................................... 252
6.1.2 Periodic inspection ................................................................................................................ 252
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