Yaskawa A.bF7 fault code meaning

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

System alarm 7

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 P389; Σ-7W MECHATROLINK-III Communication Command Type RJ-45 Connector Product Manual P341; Σ-XS Servo Unit MECHATROLINK-4_III Communication Command Type Product Manual P566; Σ-XT Servo Unit M-4_III Communication Command Type Product Manual P450; Σ-XW Servo Unit MECHATROLINK-4_III Communication Command Type Product Manual P504; Large-Capacity Σ-XS Servo Unit (Integrated Converter Type) MECHATROLINK-4_III Communication Command Type Product Manual P492