Delta AL404 fault code meaning

Delta / AL404

Series: ASDA-A3, ASDA-E3, ASDA-E3C-E, ASDA-E3C-L

PR special filter setting too large

servo drive

Meaning: The setting for the PR command special filter (P1.022) is too large, causing the internal accumulated position lag to exceed the range.

Possible causes

Condition: The setting for the PR command special filter (P1.022) is too large, causing the internal accumulated position lag to exceed the range. Cause: Internal accumulated position lag exceeds the range.

Source: ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P1193; ASDA-E3 (DELTA_IA-ASD_ASDA-E3_UM_SC_20260313) P642; ASDA-E3C-E Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-E_UM_SC_20260612) P564; ASDA-E3C-L Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-L_UM_SC_20260612) P425