6YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual 323TroubleshootingThis chapter provides descriptions of the drive faults, alarms, errors, related displays, andguidance for troubleshooting. This chapter can also serve as a reference guide for tuning thedrive during a trial run.6.1 SECTION SAFETY . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3246.2 MOTOR PERFORMANCE FINE-TUNING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3266.3 DRIVE ALARMS, FAULTS, AND ERRORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3306.4 FAULT DETECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3366.5 ALARM DETECTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3506.6 OPERATOR PROGRAMMING ERRORS. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3576.7 AUTO-TUNING FAULT DETECTION. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3606.8 COPY FUNCTION RELATED DISPLAYS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3646.9 DIAGNOSING AND RESETTING FAULTS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3666.10 TROUBLESHOOTING WITHOUT FAULT DISPLAY. . . . . . . . . . . . . . . . . . . . . . 368