YASKAWA Z1000 Technical Manual page 6

Table of Contents
L3: Stall Prevention ......................................................................................................................... 170
L4: Reference Detection.................................................................................................................. 173
L5: Fault Restart.............................................................................................................................. 174
L6: Torque Detection....................................................................................................................... 176
L8: Drive Protection......................................................................................................................... 179
5.10 n: Special Adjustments.....................................................................................................181
n1: Hunting Prevention.................................................................................................................... 181
n3: High Slip Braking (HSB) and Overexcitation Braking................................................................ 181
5.11 o: Operator-Related Settings ...........................................................................................183
o1: HOA Keypad Display Selection................................................................................................. 183
o2: HOA Keypad Functions............................................................................................................. 184
o4: Maintenance Monitor Settings................................................................................................... 184
5.12 S: Special Parameters.......................................................................................................186
S1: Dynamic Audible Noise Control Function ................................................................................. 186
S2: Sequence Timers...................................................................................................................... 187
Examples of Sequence Timers ....................................................................................................... 189
5.13 T: Motor Tuning .................................................................................................................193
5.14 U: Monitor Parameters ......................................................................................................194
UB: Bypass Monitors....................................................................................................................... 194
U1: Operation Status Monitors ........................................................................................................ 194
U2: Fault Trace................................................................................................................................ 194
U3: Fault History.............................................................................................................................. 194
U4: Maintenance Monitors .............................................................................................................. 194
U5: PI Monitors................................................................................................................................ 194
5.15 Z: Bypass Parameters.......................................................................................................195
Z1: Bypass Control System............................................................................................................. 195
Z2: Bypass Control Input/Output ..................................................................................................... 209
Z3: Bypass Control Communication................................................................................................ 213
Z4: Ethernet Option Bypass Control................................................................................................ 217
6. DIAGNOSTICS & TROUBLESHOOTING ............................................................ 221
6.1 Section Safety....................................................................................................................222
6.2 Motor Performance Fine-Tuning ......................................................................................224
Fine-Tuning V/f Control ................................................................................................................... 224
Parameters to Minimize Motor Hunting and Oscillation .................................................................. 224
6.3 Drive Alarms, Faults, and Errors .....................................................................................225
Types of Alarms, Faults, and Errors................................................................................................ 225
Alarm and Error Displays ................................................................................................................ 226
6.4 Fault Detection ..................................................................................................................228
Fault Displays, Causes, and Possible Solutions ............................................................................. 228
6.5 Alarm Detection .................................................................................................................244
Alarm Codes, Causes, and Possible Solutions ............................................................................... 244
6.6 Programming Errors .........................................................................................................251
Programming Error Codes, Causes, and Possible Solutions.......................................................... 251
6.7 Auto-Tuning Fault Detection ............................................................................................254
Auto-Tuning Codes, Causes, and Possible Solutions..................................................................... 254
6.8 Diagnosing and Resetting Faults.....................................................................................256
Fault Occurs Simultaneously with Power Loss ............................................................................... 256
6 YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive - Z1000 Bypass Technical Manual