V/f Pattern Setting............................................................. 1114.7 No-Load Operation Test Run ..........................................113No-Load Operation Test Run............................................... 1134.8 Test Run with Load Connected.......................................115Test Run with the Load Connected ....................................... 1154.9 Verifying and Backing Up Parameter Settings................116Parameter Access Level: A1-01 ........................................... 116Password Settings: A1-04, A1-05 ......................................... 1165. TROUBLESHOOTING ............................................... 1175.1 Section Safety.................................................................1185.2 Motor Performance Fine Tuning .....................................121Parameters for Tuning the Drive .......................................... 121Motor Hunting and Oscillation Control Parameters ................... 1215.3 Drive Alarms, Faults, and Errors.....................................123Types of Alarms, Faults, and Errors ...................................... 123Alarm and Error Displays.................................................... 1245.4 Fault Detection ...............................................................126Fault Displays, Causes, and Possible Solutions ...................... 1265.5 Alarm Detection ..............................................................134Alarm Codes, Causes, and Possible Solutions ........................ 1345.6 Operator Programming Errors ........................................139oPE Codes, Causes, and Possible Solutions .......................... 1395.7 Diagnosing and Resetting Faults....................................141Fault Occurs Simultaneously with Power Loss ........................ 141If the Drive Still has Power After a Fault Occurs ...................... 141Viewing Fault Trace Data After Fault..................................... 141Fault Reset Methods ......................................................... 1425.8 Troubleshooting without Fault Display...........................143Cannot Change Parameter Settings...................................... 143Motor Does Not Rotate Properly after Pressing RUN Button orafter Entering External Run Command ................................. 1436. PERIODIC INSPECTION & MAINTENANCE ........... 151Table of Contents6 YASKAWA ELECTRIC TOEP C710606 25B YASKAWA AC Drive J1000 Installation & Start-Up Manual
