Diagnostics & TroubleshootingThis chapter provides descriptions of the Z1000 Bypass faults, alarms, errors, related displays, andguidance for troubleshooting. This chapter can also serve as a reference guide for tuning the Z1000Bypass during a trial run.6.1 SECTION SAFETY...............................................................................................2226.2 MOTOR PERFORMANCE FINE-TUNING...........................................................2246.3 DRIVE ALARMS, FAULTS, AND ERRORS........................................................2256.4 FAULT DETECTION.............................................................................................2286.5 ALARM DETECTION...........................................................................................2446.6 PROGRAMMING ERRORS..................................................................................2516.7 AUTO-TUNING FAULT DETECTION..................................................................2546.8 DIAGNOSING AND RESETTING FAULTS.........................................................2566.9 TROUBLESHOOTING WITHOUT FAULT DISPLAY..........................................2586YASKAWA ELECTRIC SIEP YAIZ1B 01E YASKAWA AC Drive – Z1000 Bypass Technical Manual 221