Delta AL011 fault code meaning
Delta / AL011
Series: ASDA-A3, ASDA-B3, ASDA-E3C-E, ASDA-E3C-L, ASDA-H3
CN2 communication failure
servo drive
Meaning: Encoder communication error.
Possible causes
- Condition: Encoder communication error. Cause:
- Incorrect CN2 wiring.
- The CN2 connector is loose.
- Faulty CN2 wiring.
- Encoder communication is interrupted by interference.
- Encoder damaged.
Source: ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P1148; ASDA-B3 User Manual (DELTA_IA-ASD_ASDA-B3_UM_SC_20250108) P886; ASDA-E3C-E Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-E_UM_SC_20260612) P536; ASDA-E3C-L Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-L_UM_SC_20260612) P408; ASDA-H3 User Manual (DELTA_IA-ASD_ASDA-H3_UM_SC_20260428) P770
Series: ASDA-E3
Position detector error
servo drive
Meaning: The position detector generates erroneous pulse signals.
Possible causes
- Condition: The position detector generates erroneous pulse signals. Cause:
- Incorrect position detector wiring.
- The position detector connector is loose.
- Faulty position detector wiring.
- Encoder communication is interrupted by interference.
- The position detector is damaged.
Source: ASDA-E3 (DELTA_IA-ASD_ASDA-E3_UM_SC_20260313) P611
Series: ASDA-W3
CN2 communication failure
servo drive
Meaning:
Possible causes
Source: ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P711