Mitsubishi Electric F700 Instruction Manual download pdf (Page 4)

CONTENTS

4 ADJUSTMENT 51

4.1 Simple mode parameter list ................................................................................. 51

4.2 Increase the starting torque (Pr. 0) ...................................................................... 52

4.3 Limit the maximum and minimum output frequency (Pr.1, Pr.2).......................... 53

4.4 Change acceleration and deceleration time (Pr.7, Pr.8) ...................................... 54

4.5 Energy saving operation (Pr. 60) ......................................................................... 55

4.5.1 Energy saving operation mode (setting "4") ............................................................................ 55

4.5.2 Optimum excitation control mode (setting "9")......................................................................... 55

4.6 Selection of the operation command and frequency command locations (Pr.79) 57

4.7 Parameter clear ................................................................................................... 58

4.8 All parameter clear............................................................................................... 59

4.9 Parameter copy.................................................................................................... 60

4.10 Parameter verification .......................................................................................... 61

5 TROUBLESHOOTING 62

5.1 List of alarm display ............................................................................................. 62

5.2 Causes and corrective actions............................................................................. 63

5.3 Reset method of protective function .................................................................... 74

5.4 Correspondences between digital and actual characters .................................... 74

5.5 Check and clear of the alarm history ................................................................... 75

5.6 Check first when you have troubles. .................................................................... 77

5.6.1 Motor does not rotate as commanded..................................................................................... 77

5.6.2 Motor generates abnormal noise .............................................................................................77

5.6.3 Motor generates heat abnormally ............................................................................................77

5.6.4 Motor rotates in opposite direction .......................................................................................... 78

5.6.5 Speed greatly differs from the setting...................................................................................... 78

5.6.6 Acceleration/deceleration is not smooth .................................................................................. 78

5.6.7 Motor current is large............................................................................................................... 78

5.6.8 Speed does not increase......................................................................................................... 78

5.6.9 Speed varies during operation................................................................................................. 78

5.6.10 Operation panel (FR-DU07) display is not operating............................................................... 78

5.6.11 Parameter write cannot be performed ..................................................................................... 78

6 PRECAUTIONS FOR MAINTENANCE AND INSPECTION 79

6.1 Inspection Item..................................................................................................... 79

6.1.1 Daily inspection ....................................................................................................................... 79

6.1.2 Periodic inspection .................................................................................................................. 79

6.1.3 Daily and periodic inspection ................................................................................................... 80

6.1.4 Display of the life of the inverter parts ..................................................................................... 81

6.1.5 Checking the inverter and converter modules ......................................................................... 83

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Mitsubishi Electric F700 Instruction Manual Page 4