Delta AL425 fault code meaning
Delta / AL425
Series: ASDA-W3
Auxiliary encoder internal error
servo drive
Meaning: Encoder internal memory error and internal counter error.
Possible causes
- Condition: Encoder internal memory error and internal counter error. Cause:
- Encoder internal error (internal memory error and internal counter error).
- At power-on, the auxiliary encoder moves due to mechanical inertia or other factors.
Source: ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P765