Yaskawa A.C20 fault code meaning

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

Phase error detection

servo drive

Meaning:

Possible causes

Source: Σ-7C Servo Unit Troubleshooting 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-V Series User Manual, Design and Maintenance, Analog Voltage/Pulse Train Command Type_Linear Drive Type P314; Σ-XS Servo Unit EtherCAT Communication Command Type Product Manual P677; Σ-XT Servo Unit EtherCAT Communication Command Type Product Manual P565; Σ-XW Servo Unit EtherCAT Communication Command Type Product Manual P618; Large-Capacity Σ-XS Servo Unit (Integrated Converter Type) EtherCAT Communication Command Type Product Manual P605