Delta ALD01 fault code meaning

Delta / ALD01

Series: ASDA-A3, ASDA-W3

MITUTOYO encoder - Power-on initialization error

servo drive

Meaning: MITUTOYO encoder error.

Possible causes

Condition: MITUTOYO encoder error. Cause:
Initialization status error.
Encoder installation or wiring error.
Encoder damaged.

Source: ASDA-A3 User Manual (DELTA_IA-ASD_ASDA-A3_UM_SC_20230515) P1196; ASDA-W3 Series Servo System Application Technical Manual (DELTA_IA-ASD_ASDA-W3_UM_SC_20251226) P777