Yaskawa AC Drive P1000 Bypass Technical Manual - Manual (Page 6)

T: Motor Tuning ............................................................................................................................... 149
5.12 U: Monitor Parameters......................................................................................................150
UB: Bypass Monitors....................................................................................................................... 150
U1: Operation Status Monitors ........................................................................................................ 150
U2: Fault Trace................................................................................................................................ 150
U3: Fault History.............................................................................................................................. 150
U4: Maintenance Monitors .............................................................................................................. 150
U5: PID Monitors ............................................................................................................................. 150
5.13 Z: Bypass Parameters.......................................................................................................151
Z1: Bypass Control System............................................................................................................. 151
Z2: Bypass Control Input/Output ..................................................................................................... 161
Z3: Bypass Control Communication................................................................................................ 164
Z4: Ethernet Option Bypass Control................................................................................................ 166
6. DIAGNOSTICS & TROUBLESHOOTING ............................................................ 169
6.1 Section Safety....................................................................................................................170
6.2 Motor Performance Fine-Tuning......................................................................................172
Fine-Tuning V/f Control ................................................................................................................... 172
Parameters to Minimize Motor Hunting and Oscillation .................................................................. 172
6.3 Drive Alarms, Faults, and Errors .....................................................................................173
Types of Alarms, Faults, and Errors................................................................................................ 173
Alarm and Error Displays ................................................................................................................ 174
6.4 Fault Detection ..................................................................................................................176
Fault Displays, Causes, and Possible Solutions ............................................................................. 176
6.5 Alarm Detection.................................................................................................................190
Alarm Codes, Causes, and Possible Solutions ............................................................................... 190
6.6 Programming Errors .........................................................................................................197
Programming Error Codes, Causes, and Possible Solutions.......................................................... 197
6.7 Auto-Tuning Fault Detection ............................................................................................200
Auto-Tuning Codes, Causes, and Possible Solutions..................................................................... 200
6.8 Diagnosing and Resetting Faults.....................................................................................202
Fault Occurs Simultaneously with Power Loss ............................................................................... 202
If the Drive Still has Power After a Fault Occurs ............................................................................. 202
Viewing Fault Trace Data After Fault .............................................................................................. 202
Fault Reset Methods ....................................................................................................................... 203
6.9 Troubleshooting without Fault Display...........................................................................204
Common Problems.......................................................................................................................... 204
Cannot Change Parameter Settings ............................................................................................... 204
Motor Does Not Rotate Properly after Pressing AUTO Button or after Entering External Run
Command ...................................................................................................................................... 205
Motor is Too Hot.............................................................................................................................. 206
oPE02 Error Occurs When Lowering the Motor Rated Current Setting .......................................... 206
Motor Stalls during Acceleration or Acceleration Time is Too Long................................................ 207
Drive Frequency Reference Differs from the Controller Frequency Reference Command ............. 207
Excessive Motor Oscillation and Erratic Rotation............................................................................ 208
Deceleration Takes Longer Than Expected .................................................................................... 208
Noise From Drive or Motor Cables When the Drive is Powered On ............................................... 208
Ground Fault Circuit Interrupter (GFCI) Trips During Run .............................................................. 208
Connected Machinery Vibrates When Motor Rotates ..................................................................... 208
Table of Contents
6 YASKAWA SIEP YAIP1B 01A YASKAWA AC Drive – P1000 Bypass Technical Manual