Delta AL21D fault code meaning
Delta / AL21D
Series: ASDA-A3, ASDA-H3
Secondary platform - Expression with a zero divisor in the program
servo drive
Meaning: The program contains an expression with a zero divisor.
Possible causes
- Condition: The program contains an expression with a zero divisor. Cause: Secondary platform programming error.
Source: ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P1184; ASDA-H3 User Manual (DELTA_IA-ASD_ASDA-H3_UM_SC_20260428) P803