Mitsubishi Electric F700 Instruction Manual page 4

3.5.6 Change the frequency (50Hz) of the maximum value of potentiometer (at 20mA) ................. 49
4 ADJUSTMENT
4.1 Simple mode parameter list ..................................................................................... 50
4.2 Increase the starting torque (Pr. 0) .......................................................................... 51
4.3 Limit the maximum and minimum output frequency (Pr. 1, Pr. 2) ........................... 52
4.4 When the rated motor frequency is 60Hz (Pr. 3) ..................................................... 53
4.5 Change acceleration and deceleration time (Pr. 7, Pr. 8)........................................ 54
4.6 Energy saving operation (Pr. 60) ............................................................................. 55
4.6.1 Energy saving operation mode (setting "4") ............................................................................ 55
4.6.2 Optimum excitation control mode (setting "9")......................................................................... 55
4.7 Selection of the operation command and frequency command locations (Pr. 79).. 57
4.8 Parameter clear, all parameter clear.................................................................... 58
4.9 Parameter copy and parameter verification ......................................................... 59
4.9.1 Parameter copy ....................................................................................................................... 59
4.9.2 Parameter verification.............................................................................................................. 60
4.10 Parameter list ........................................................................................................... 61
4.10.1 List of parameters classified by purpose of use ..................................................................... 61
4.11 Extended parameters............................................................................................... 63
4.11.1 Used to display the extended parameters ............................................................................... 63
4.12 Parameter list ........................................................................................................... 64
5 TROUBLESHOOTING
5.1 Reset method of protective function......................................................................... 89
5.2 List of alarm display.................................................................................................. 90
5.3 Causes and corrective actions ................................................................................. 91
5.4 Correspondences between digital and actual characters...................................... 102
5.5 Check and clear of the alarm history ................................................................. 103
5.6 Check first when you have troubles ....................................................................... 105
5.6.1 Motor does not start............................................................................................................... 105
5.6.2 Motor generates abnormal noise........................................................................................... 105
5.6.3 Motor generates heat abnormally .......................................................................................... 105
5.6.4 Motor rotates in opposite direction ........................................................................................ 106
5.6.5 Speed greatly differs from the setting .................................................................................... 106
5.6.6 Acceleration/deceleration is not smooth ................................................................................ 106
5.6.7 Motor current is large............................................................................................................. 106
5.6.8 Speed does not increase ....................................................................................................... 106
5.6.9 Speed varies during operation............................................................................................... 106
5.6.10 Operation mode is not changed properly .............................................................................. 107
5.6.11 Operation panel (FR-DU07) display is not operating............................................................. 107
5.6.12 POWER lamp is not lit ........................................................................................................... 107
5.6.13 Parameter write cannot be performed ................................................................................... 107
50
89
II