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Misty GreenAug 6, 2025
How to fix A.521 autotuning alarm on YASKAWA Servo Drives?
- IifreemanAug 6, 2025
To address an A.521 alarm (Autotuning Alarm) that occurs due to resonant sound or excessive vibration during position control, try the following: * Decrease the setting of Pn170 = n.X??? or the setting of Pn170 = n.?X??. * Increase the setting of Pn170 = n.X??? or decrease the setting of Pn170 = n.?X??.