II
C
O
NTEN
TS
4
ADJUSTMENT
50
4.1
Simple mode parameter list ................................................................................. 50
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
Summary of Contents for FR-F700 Series
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