Delta AL041 fault code meaning
Delta / AL041
Series: ASDA-A2, ASDA-M
Optical scale open circuit
servo drive
Meaning:
Possible causes
Source: ASDA-A2 User Manual (DELTA_IA-ASD_ASDA-A2_UM_SC_20240510) P600; ASDA-M Application Technical Manual (DELTA_IA-ASD_ASDA-M_UM_SC_20180709) P533
Series: ASDA-A2R, ASDA-A3, ASDA-H3
CN5 open
servo drive
Meaning:
Possible causes
- CN5 open
- Whether there is an open circuit
Source: ASDA-A2R User Manual (DELTA_IA-ASD_ASDA-A2R_UM_SC_20200423) P549; ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P399; ASDA-H3 User Manual (DELTA_IA-ASD_ASDA-H3_UM_SC_20260428) P312
Series: ASDA-W3
CN5 pulse encoder open
servo drive
Meaning: When a pulse encoder is connected to CN5, there are no signals on phases A, B, and Z.
Possible causes
- Condition: When a pulse encoder is connected to CN5, there are no signals on phases A, B, and Z. Cause:
- Open wiring, short circuit, poor contact, or incorrect wiring.
- The pulse encoder specifications do not meet the CN5 hardware specifications.
- Only phases A and B are wired; phase Z is not wired.
- Incorrect parameter settings.
- Pulse encoder error.
Source: ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P732