Delta AL0A9 fault code meaning
Delta / AL0A9
Series: ASDA-H3
Power supply module parameter write error
servo drive
Meaning:
Possible causes
- Frequent parameter writes.
- Flash is damaged.
Source: ASDA-H3 User Manual (DELTA_IA-ASD_ASDA-H3_UM_SC_20260428) P797
Series: ASDA-W3
VP parameter or drive module (DM) parameter write error
servo drive
Meaning: Parameter write Flash error.
Possible causes
- Condition: Parameter write Flash error. Cause:
- Frequent parameter writes.
- Flash is damaged.
Source: ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P755