YASKAWA iQpump1000 Quick Start Manual page 210

5.5 Auto-Tuning Fault Detection
Drive is prohibited from rotating the motor in
reverse while attempting to perform Inertia
Tuning.
210
• Inertia Auto-Tuning cannot be performed if the drive is restricted from rotating in reverse.
• Assuming it is acceptable for the application to rotate in reverse, set b1-04 to 0 and then perform
Inertia Tuning.
YASKAWA TOEP YAIP1W 01A YASKAWA AC Drive - iQpump1000 Quick Start Guide