Fine-Tuning V/f Control and V/f Control with PG............................................................................. 356
Fine-Tuning Open Loop Vector Control .......................................................................................... 357
Fine-Tuning Closed Loop Vector Control ........................................................................................ 358
Fine-Tuning Open Loop Vector Control for PM Motors................................................................... 359
Fine-Tuning Advanced Open Loop Vector Control for PM Motors.................................................. 360
Fine-Tuning Closed Loop Vector Control for PM Motors ................................................................ 360
Parameters to Minimize Motor Hunting and Oscillation .................................................................. 361
6.3 Drive Alarms, Faults, and Errors .....................................................................................362
Types of Alarms, Faults, and Errors................................................................................................ 362
Alarm and Error Displays ................................................................................................................ 363
6.4 Fault Detection ..................................................................................................................367
Fault Displays, Causes, and Possible Solutions ............................................................................. 367
6.5 Alarm Detection.................................................................................................................384
Alarm Codes, Causes, and Possible Solutions ............................................................................... 384
6.6 Operator Programming Errors .........................................................................................393
Operator Programming Error Codes, Causes, and Possible Solutions........................................... 393
6.7 Auto-Tuning Fault Detection ............................................................................................397
Auto-Tuning Codes, Causes, and Possible Solutions..................................................................... 397
6.8 Copy Function Related Displays .....................................................................................402
Tasks, Errors, and Troubleshooting ................................................................................................ 402
6.9 Diagnosing and Resetting Faults.....................................................................................404
Fault Occurs Simultaneously with Power Loss ............................................................................... 404
If the Drive Still has Power After a Fault Occurs ............................................................................. 404
Viewing Fault Trace Data After Fault .............................................................................................. 404
Fault Reset Methods ....................................................................................................................... 405
6.10 Troubleshooting without Fault Display...........................................................................406
Common Problems.......................................................................................................................... 406
Cannot Change Parameter Settings ............................................................................................... 406
Motor Does Not Rotate Properly after Pressing RUN Button or after Entering External Run
Command ...................................................................................................................................... 407
Motor is Too Hot.............................................................................................................................. 408
Drive Does Not Allow Selection of the Desired Auto-Tuning Mode................................................. 409
oPE02 Error Occurs When Lowering the Motor Rated Current Setting .......................................... 409
Motor Stalls during Acceleration or Acceleration Time is Too Long................................................ 409
Drive Frequency Reference Differs from the Controller Frequency Reference Command ............. 410
Excessive Motor Oscillation and Erratic Rotation............................................................................ 410
Noise From Drive or Motor Cables When the Drive is Powered On ............................................... 410
Ground Fault Circuit Interrupter (GFCI) Trips During Run .............................................................. 411
Connected Machinery Vibrates When Motor Rotates ..................................................................... 411
PID Output Fault.............................................................................................................................. 411
Insufficient Starting Torque ............................................................................................................. 412
Motor Rotates after the Drive Output is Shut Off (Motor Rotates During DC Injection Braking) ..... 412
Output Frequency is Not as High as Frequency Reference............................................................ 412
Sound from Motor............................................................................................................................ 412
Unstable Motor Speed when Using PM .......................................................................................... 412
Motor Does Not Restart after Power Loss....................................................................................... 413
The Safety Controller Does Not Recognize Safe Disable Monitor Output Signals (Terminals DM
+ and DM-) ..................................................................................................................................... 413
7. PERIODIC INSPECTION & MAINTENANCE ...................................................... 415
Table of Contents
10
YASKAWA ELECTRIC SIEP C710636 04D U1000 Industrial MATRIX Drive Technical Manual
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