Download  Print this page

Advertisement

4.6.2
Parameter list .......................................................................................................................... 98
5
5.1
Reset method of protective function .................................................................. 139
5.2
List of fault or alarm display ............................................................................... 140
5.3
Causes and corrective actions ........................................................................... 141
5.4
Correspondences between digital and actual characters .................................. 156
5.5
Check and clear of the faults history .................................................................. 157
5.6
Check first when you have troubles ................................................................... 159
5.6.1
Motor will not start ................................................................................................................. 159
5.6.2
Motor generates abnormal noise........................................................................................... 159
5.6.3
Inverter generates abnormal noise. ....................................................................................... 160
5.6.4
Motor generates heat abnormally .......................................................................................... 160
5.6.5
Motor rotates in opposite direction ........................................................................................ 160
5.6.6
Speed greatly differs from the setting .................................................................................... 160
5.6.7
Acceleration/deceleration is not smooth ................................................................................ 160
5.6.8
Motor current is large............................................................................................................. 160
5.6.9
Speed does not increase ....................................................................................................... 160
5.6.10 The motor and machine vibrate............................................................................................. 160
5.6.11 Speed varies during operation............................................................................................... 161
5.6.12 Operation mode is not changed properly .............................................................................. 161
5.6.13 Operation panel (FR-DU07) display is not operating............................................................. 161
5.6.14 POWER lamp is not lit ........................................................................................................... 161
5.6.15 Parameter write cannot be performed ................................................................................... 161
6
6.1
Inspection item................................................................................................... 162
6.1.1
Daily inspection ..................................................................................................................... 162
6.1.2
Periodic inspection ................................................................................................................ 162
6.1.3
Daily and periodic inspection ................................................................................................. 163
6.1.4
Display of the life of the inverter parts ................................................................................... 164
6.1.5
Checking the inverter and converter modules ....................................................................... 165
6.1.6
Cleaning ................................................................................................................................ 166
6.1.7
Replacement of parts ............................................................................................................ 166
6.2
6.2.1
Measurement of powers ........................................................................................................ 171
6.2.2
Measurement of voltages and use of PT............................................................................... 171
6.2.3
Measurement of currents....................................................................................................... 172
6.2.4
Use of CT and transducer ..................................................................................................... 172
6.2.5
Measurement of inverter input power factor .......................................................................... 172
6.2.6
6.2.7
Measurement of inverter output frequency ............................................................................ 173
6.2.8
Insulation resistance test using megger ................................................................................ 173
6.2.9
Pressure test ......................................................................................................................... 173
III
139
162

Advertisement

Table of Contents

   Also See for Mitsubishi Electric FR-A701

   Related Manuals for Mitsubishi Electric FR-A701

Comments to this Manuals

Symbols: 0
Latest comments: