Delta AL031 fault code meaning

Delta / AL031

Series: ASDA-A2-E

Incorrect motor U, V, and W wiring

servo drive

Meaning:

Possible causes

Source: ASDA A2-E (EtherCAT) Application Technical Manual (DELTA_IA-ASD_ASDA-A2-E_UM_TC_20221229) P124

Series: ASDA-A3, ASDA-B3, ASDA-E3C-E, ASDA-E3C-L, ASDA-H3, ASDA-W3

Motor power cable miswiring detection

servo drive

Meaning: Incorrect wiring of the motor power cable (U, V, W) and ground wire (GND).

Possible causes

Condition: Incorrect wiring of the motor power cable (U, V, W) and ground wire (GND). Cause: Incorrect wiring of the motor power cable (U, V, W) and ground wire (GND). The miswiring detection protection function is enabled or disabled using parameter P2.065 [Bit 8] and is enabled by default.

Source: ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P1156; ASDA-B3 User Manual (DELTA_IA-ASD_ASDA-B3_UM_SC_20250108) P893; ASDA-E3C-E Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-E_UM_SC_20260612) P542; ASDA-E3C-L Application Technical Manual (DELTA_IA-ASD_ASDA-E3C-L_UM_SC_20260612) P414; ASDA-H3 User Manual (DELTA_IA-ASD_ASDA-H3_UM_SC_20260428) P776; ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P730

Series: ASDA-B2-F

Motor power cable open detection

servo drive

Meaning:

Possible causes

Motor power cable (U, V, W, GND)
Open
Motor power cable (U, V, W, GND) open
Wire correctly according to the manual and ensure proper grounding.

Source: ASDA-B2-F User Manual (DELTA_IA-ASDA-B2-F_UM_SC_20180601) P227

Series: ASDA-E3

Motor power cable incorrect wiring/open detection

servo drive

Meaning: Incorrect wiring or an open in the motor power cable (U, V, W) and ground wire (GND).

Possible causes

Condition: Incorrect wiring or an open in the motor power cable (U, V, W) and ground wire (GND). Cause: Incorrect wiring or an open in the motor power cable (U, V, W) and ground wire (GND). The open detection protection function is enabled or disabled using parameter P2.065 [Bit 9] and is disabled by default. The incorrect wiring detection protection function is enabled or disabled using parameter P2.065 [Bit 8] and is disabled by default.

Source: ASDA-E3 (DELTA_IA-ASD_ASDA-E3_UM_SC_20260313) P618