YASKAWA P1000 Technical Manual page 6

Table of Contents
Examples of Sequence Timers ....................................................................................................... 156
T: Motor Tuning ............................................................................................................................... 159
5.12 U: Monitor Parameters ......................................................................................................160
UB: Bypass Monitors....................................................................................................................... 160
U1: Operation Status Monitors ........................................................................................................ 160
U2: Fault Trace................................................................................................................................ 160
U3: Fault History.............................................................................................................................. 160
U4: Maintenance Monitors .............................................................................................................. 160
U5: PID Monitors ............................................................................................................................. 160
5.13 Z: Bypass Parameters.......................................................................................................161
Z1: Bypass Control System............................................................................................................. 161
Z2: Bypass Control Input/Output ..................................................................................................... 174
Z3: Bypass Control Communication................................................................................................ 177
Z4: Ethernet Option Bypass Control................................................................................................ 180
6. DIAGNOSTICS & TROUBLESHOOTING ............................................................ 183
6.1 Section Safety....................................................................................................................184
6.2 Motor Performance Fine-Tuning ......................................................................................186
Fine-Tuning V/f Control ................................................................................................................... 186
Parameters to Minimize Motor Hunting and Oscillation .................................................................. 186
6.3 Drive Alarms, Faults, and Errors .....................................................................................187
Types of Alarms, Faults, and Errors................................................................................................ 187
Alarm and Error Displays ................................................................................................................ 188
6.4 Fault Detection ..................................................................................................................190
Fault Displays, Causes, and Possible Solutions ............................................................................. 190
6.5 Alarm Detection .................................................................................................................205
Alarm Codes, Causes, and Possible Solutions ............................................................................... 205
6.6 Programming Errors .........................................................................................................212
Programming Error Codes, Causes, and Possible Solutions.......................................................... 212
6.7 Auto-Tuning Fault Detection ............................................................................................215
Auto-Tuning Codes, Causes, and Possible Solutions..................................................................... 215
6.8 Diagnosing and Resetting Faults.....................................................................................217
Fault Occurs Simultaneously with Power Loss ............................................................................... 217
If the Drive Still has Power After a Fault Occurs ............................................................................. 217
Viewing Fault Trace Data After Fault .............................................................................................. 217
Fault Reset Methods ....................................................................................................................... 218
6.9 Troubleshooting without Fault Display ...........................................................................219
Common Problems.......................................................................................................................... 219
Cannot Change Parameter Settings ............................................................................................... 219
Motor Does Not Rotate Properly after Pressing AUTO Button or after Entering External Run
Command ...................................................................................................................................... 220
Motor is Too Hot.............................................................................................................................. 221
oPE02 Error Occurs When Lowering the Motor Rated Current Setting .......................................... 221
Motor Stalls during Acceleration or Acceleration Time is Too Long................................................ 222
Drive Frequency Reference Differs from the Controller Frequency Reference Command ............. 222
Excessive Motor Oscillation and Erratic Rotation............................................................................ 223
Deceleration Takes Longer Than Expected .................................................................................... 223
Noise From Drive or Motor Cables When the Drive is Powered On ............................................... 223
Ground Fault Circuit Interrupter (GFCI) Trips During Run .............................................................. 223
6 YASKAWA SIEP YAIP1B 01B YASKAWA AC Drive - P1000 Bypass Technical Manual