Yaskawa A.7Ab fault code meaning

Series: Σ-7C, Σ-7S, Σ-7W, Σ-V, Σ-XS, Σ-XT, Σ-XW, Σ-V Large-Capacity Integrated, Large-Capacity Σ-V, Large-Capacity Σ-XS

Servo unit built-in fan stop

servo drive

Meaning:

Possible causes

Source: Σ-7C Servo Unit Fault Diagnosis Manual P49; Σ-7S MECHATROLINK-III Communication Command Type RJ-45 Connector Product Manual P388; Σ-7W MECHATROLINK-III Communication Command Type RJ-45 Connector Product Manual P340; Σ-V Series User Manual MECHATROLINK-III Communication Command Type_Rotary Type P281; Σ-XS Servo Unit MECHATROLINK-4_III Communication Command Type Product Manual P565; Σ-XT Servo Unit M-4_III Communication Command Type Product Manual P449; Σ-XW Servo Unit MECHATROLINK-4_III Communication Command Type Product Manual P503; Integrated Large-Capacity Σ-V User Manual MECHATROLNK-II Communication Command Type_Rotary Type P281; Large-Capacity Σ-V Series MECHATROLINK-II Communication Command Type_Rotary Type P273; Large-Capacity Σ-XS Servo Unit (Integrated Converter Type) MECHATROLINK-4_III Communication Command Type Product Manual P491