Overspeed

What does oS mean?

This fault occurs due to speed overshoot, incorrect PG pulse settings in the drive, or an improperly configured overspeed detection level. An overspeed condition can lead to mechanical failure, instability, and safety hazards if not promptly addressed.

Additional Steps

Steps 1–2 are listed in Priority Fix.

1. 3

   Fine-tune the overspeed detection level and delay by adjusting F1-08 [Overspeed Detection Level] and F1-09 [Overspeed Detection Delay Time].

2. 4

   Perform a Fault Reset after making adjustments.