Yaskawa AC Drive Z1000 Bypass Technical Manual - Manual (Page 6)

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 ..................................................................................................... 206
Z3: Bypass Control Communication................................................................................................ 211
Z4: Ethernet Option Bypass Control................................................................................................ 213
6. DIAGNOSTICS & TROUBLESHOOTING ............................................................ 217
6.1 Section Safety....................................................................................................................218
6.2 Motor Performance Fine-Tuning......................................................................................220
Fine-Tuning V/f Control ................................................................................................................... 220
Parameters to Minimize Motor Hunting and Oscillation .................................................................. 220
6.3 Drive Alarms, Faults, and Errors .....................................................................................221
Types of Alarms, Faults, and Errors................................................................................................ 221
Alarm and Error Displays ................................................................................................................ 222
6.4 Fault Detection ..................................................................................................................224
Fault Displays, Causes, and Possible Solutions ............................................................................. 224
6.5 Alarm Detection.................................................................................................................239
Alarm Codes, Causes, and Possible Solutions ............................................................................... 239
6.6 Programming Errors .........................................................................................................246
Programming Error Codes, Causes, and Possible Solutions.......................................................... 246
6.7 Auto-Tuning Fault Detection ............................................................................................249
Auto-Tuning Codes, Causes, and Possible Solutions..................................................................... 249
6.8 Diagnosing and Resetting Faults.....................................................................................251
Fault Occurs Simultaneously with Power Loss ............................................................................... 251
Table of Contents
6 YASKAWA ELECTRIC SIEP YAIZ1B 01D YASKAWA AC Drive – Z1000 Bypass Technical Manual