n5: Feed Forward Control ............................................................................................................... 272
n6: Online Tuning ............................................................................................................................ 274
n8: PM Motor Control Tuning .......................................................................................................... 275
5.10 o: Operator Related Settings............................................................................................278
o1: Digital Operator Display Selection............................................................................................. 278
o2: Digital Operator Keypad Functions ........................................................................................... 279
o3: Copy Function ........................................................................................................................... 281
o4: Maintenance Monitor Settings................................................................................................... 282
q: DriveWorksEZ Parameters.......................................................................................................... 283
r: DriveWorksEZ Connection Parameters ....................................................................................... 283
T: Motor Tuning ............................................................................................................................... 283
5.11 U: Monitor Parameters......................................................................................................284
U1: Operation Status Monitors ........................................................................................................ 284
U2: Fault Trace................................................................................................................................ 284
U3: Fault History.............................................................................................................................. 284
U4: Maintenance Monitors .............................................................................................................. 284
U5: PID Monitors ............................................................................................................................. 284
U6: Operation Status Monitors ........................................................................................................ 284
U8: DriveWorksEZ Monitors............................................................................................................ 285
6. TROUBLESHOOTING.......................................................................................... 287
6.1 Section Safety....................................................................................................................288
6.2 Motor Performance Fine-Tuning......................................................................................290
Fine-Tuning V/f Control and V/f Control with PG............................................................................. 290
Fine-Tuning Open Loop Vector Control .......................................................................................... 291
Fine-Tuning Closed Loop Vector Control ........................................................................................ 292
Fine-Tuning Open Loop Vector Control for PM Motors................................................................... 292
Fine-Tuning Advanced Open Loop Vector Control for PM Motors.................................................. 293
Fine-Tuning Closed Loop Vector Control for PM Motors ................................................................ 293
Parameters to Minimize Motor Hunting and Oscillation .................................................................. 294
6.3 Drive Alarms, Faults, and Errors .....................................................................................295
Types of Alarms, Faults, and Errors................................................................................................ 295
Alarm and Error Displays ................................................................................................................ 296
6.4 Fault Detection ..................................................................................................................300
Fault Displays, Causes, and Possible Solutions ............................................................................. 300
6.5 Alarm Detection.................................................................................................................316
Alarm Codes, Causes, and Possible Solutions ............................................................................... 316
6.6 Operator Programming Errors .........................................................................................324
Operator Programming Error Codes, Causes, and Possible Solutions........................................... 324
6.7 Auto-Tuning Fault Detection ............................................................................................328
Auto-Tuning Codes, Causes, and Possible Solutions..................................................................... 328
6.8 Copy Function Related Displays .....................................................................................332
Tasks, Errors, and Troubleshooting ................................................................................................ 332
6.9 Diagnosing and Resetting Faults.....................................................................................334
Fault Occurs Simultaneously with Power Loss ............................................................................... 334
If the Drive Still has Power After a Fault Occurs ............................................................................. 334
Viewing Fault Trace Data After Fault .............................................................................................. 334
Fault Reset Methods ....................................................................................................................... 335
6.10 Troubleshooting without Fault Display...........................................................................336
Table of Contents
YASKAWA ELECTRIC SIEP C710616 31B YASKAWA AC Drive – A1000 Technical Manual
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