INVT Goodrive35 Series Operation Manual page 5

Goodrive35 Series Closed-loop Vector Control VFD
7.10 Analog output .................................................................................................................. 166
7.11 Digital input ..................................................................................................................... 169
7.12 Digital input ..................................................................................................................... 177
7.13 Simple PLC ..................................................................................................................... 181
7.14 Multi-step speed running ................................................................................................. 183
7.15 PID control ...................................................................................................................... 185
7.15.1 General steps of PID parameters setting: ................................................................. 186
7.15.2 PID inching .............................................................................................................. 187
7.16 Commissioning for special functions ................................................................................ 189
7.16.1 Wiring mode of the encoder and pulse reference terminal ........................................ 189
7.16.2 Commissioning steps............................................................................................... 191
7.17 Fault solutions ................................................................................................................. 197
Chapter 8 Fault tracking ............................................................................................................ 200
8.1 What this chapter contains ................................................................................................ 200
8.2 Alarm and fault indications ................................................................................................. 200
8.3 How to reset ...................................................................................................................... 200
8.4 Fault history ...................................................................................................................... 200
8.5 Fault instruction and solution ............................................................................................. 200
8.5.1 VFD faults and solutions ............................................................................................ 200
8.5.2 Other states............................................................................................................... 205
8.6 Common fault analysis ...................................................................................................... 205
8.6.1 The motor does not work ........................................................................................... 205
8.6.2 Motor vibration .......................................................................................................... 206
8.6.3 Overvoltage ............................................................................................................... 206
8.6.4 Undervoltage fault ..................................................................................................... 207
8.6.5 Abnormal heating of the motor ................................................................................... 208
8.6.6 Overheat of the VFD.................................................................................................. 209
8.6.7 Motor stall during ACC ............................................................................................... 209
8.6.8 Overcurrent ............................................................................................................... 210
Chapter 9 Routine maintenance ................................................................................................ 211
9.1 What this chapter contains. ............................................................................................... 211
9.2 Maintenance intervals ....................................................................................................... 211
9.3 Cooling fan ........................................................................................................................ 213
9.3.1 Replacing the cooling fan .......................................................................................... 213
9.4 Capacitors ......................................................................................................................... 214
9.4.1 Capacitors reforming ................................................................................................. 214
9.4.2 Change electrolytic capacitors ................................................................................... 215
9.5 Power cable ...................................................................................................................... 215
Chapter 10 Communication protocol ........................................................................................ 216
10.1 What this chapter contains .............................................................................................. 216
10.2 Brief instruction to Modbus protocol ................................................................................. 216
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Contents