Yaskawa A.020 fault code meaning

Series: Σ-V DC Power Input, 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

Parameter checksum error

servo drive

Meaning:

Possible causes

Source: DC Power Supply Input Σ-V Series User Manual, Setup P55; Σ-7S MECHATROLINK-III Communication Command Type RJ-45 Connector Product Manual P387; Σ-7W MECHATROLINK-III Communication Command Type RJ-45 Connector Product Manual P339; Σ-V Series User Manual, MECHATROLINK-III Communication Command Type_Rotary Type P280; Σ-XS Servo Unit EtherCAT Communication Command Type Product Manual P674; Σ-XT Servo Unit EtherCAT Communication Command Type Product Manual P563; Σ-XW Servo Unit EtherCAT Communication Command Type Product Manual P615; Integrated Large-Capacity Σ-V User Manual, MECHATROLNK-II Communication Command Type_Rotary Type P280; Large-Capacity Σ-V Series MECHATROLINK-II Communication Command Type_Rotary Type P272; Large-Capacity Σ-XS Servo Unit (Integrated Converter Type) EtherCAT Communication Command Type Product Manual P603