Delta SEAb fault code meaning

Delta / SEAb

Series: MX300, VP3000

STO execution time too high

AC motor drive

Meaning: STO execution time is above the internal limit

Possible causes

Source: MX300 Series User Manual (DELTA_IA-MDS_MX300_UM_TC_20260226) P191; VP3000 Series User Manual (DELTA_IA-MDS_VP3000_UM_TC_20250523) P438