Delta AL027 fault code meaning
Delta / AL027
Series: ASDA-A2-E, ASDA-A2, ASDA-A2R, ASDA-B2-F, ASDA-M, ASDA-W3
Encoder internal reset error
servo drive
Meaning:
Possible causes
- Encoder chip reset
- 1. Check whether the encoder signal cable has contact
- Faulty condition
- 2. Check whether the encoder power supply is stable
- 3. Check whether the encoder operating temperature exceeds
- 95°C (203°F)
- 2. Use shielded cable for the encoder signal wiring.
Source: ASDA A2-E (EtherCAT) Application Technical Manual (DELTA_IA-ASD_ASDA-A2-E_UM_TC_20221229) P124; ASDA-A2 User Manual (DELTA_IA-ASD_ASDA-A2_UM_SC_20240510) P598; ASDA-A2R User Manual (DELTA_IA-ASD_ASDA-A2R_UM_SC_20200423) P548; ASDA-B2-F User Manual (DELTA_IA-ASDA-B2-F_UM_SC_20180601) P226; ASDA-M Application Technical Manual (DELTA_IA-ASD_ASDA-M_UM_SC_20180709) P531; ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P726
Series: ASDA-A3, ASDA-B3, ASDA-E3, ASDA-E3C-E, ASDA-E3C-L, ASDA-H3
Encoder internal reset error
servo drive
Meaning: Unexpected encoder chip reset.
Possible causes
- Condition: Unexpected encoder chip reset. Cause: Encoder chip reset.
Source: ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P1154; ASDA-B3 User Manual (DELTA_IA-ASD_ASDA-B3_UM_SC_20250108) P890; ASDA-E3 (DELTA_IA-ASD_ASDA-E3_UM_SC_20260313) P616; ASDA-E3C-E Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-E_UM_SC_20260612) P540; ASDA-E3C-L Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-L_UM_SC_20260612) P412; ASDA-H3 User Manual (DELTA_IA-ASD_ASDA-H3_UM_SC_20260428) P774