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4.4
Correspondences between digital and actual characters ............................... 107
4.5
Check and clear of the faults history ................................................................ 108
4.6
Check first when you have some troubles ....................................................... 110
4.6.1
Motor does not start................................................................................................................... 110
4.6.2
Motor or machine is making abnormal acoustic noise............................................................... 112
4.6.3
Inverter generates abnormal noise ............................................................................................ 112
4.6.4
Motor generates heat abnormally .............................................................................................. 112
4.6.5
Motor rotates in the opposite direction....................................................................................... 113
4.6.6
Speed greatly differs from the setting ........................................................................................ 113
4.6.7
Acceleration/deceleration is not smooth .................................................................................... 113
4.6.8
Speed varies during operation................................................................................................... 114
4.6.9
Operation mode is not changed properly................................................................................... 114
4.6.10 Operation panel display is not operating ................................................................................... 115
4.6.11 Motor current is too large........................................................................................................... 115
4.6.12 Speed does not accelerate ........................................................................................................ 116
4.6.13 Unable to write parameter setting.............................................................................................. 116
5
5.1
Inspection items .................................................................................................. 117
5.1.1
Daily inspection.......................................................................................................................... 117
5.1.2
Periodic inspection..................................................................................................................... 117
5.1.3
Daily and periodic inspection ..................................................................................................... 118
5.1.4
Display of the life of the inverter parts ....................................................................................... 119
5.1.5
Cleaning..................................................................................................................................... 121
5.1.6
Replacement of parts................................................................................................................. 121
5.1.7
Inverter replacement.................................................................................................................. 124
6
6.1
Rating ................................................................................................................... 125
6.2
Common specifications ...................................................................................... 127
6.3
Outline dimension drawings .............................................................................. 128
with this inverter ....................................................................................... 133
III
117
125
133

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