Yaskawa A.7A1 fault code meaning

Series: Σ-7C, Σ-7S, Σ-7W

Internal temperature error 1

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 P388; Σ-7W MECHATROLINK-III Communication Command Type RJ-45 Connector Product Manual P340

Series: Σ-XS, Large-Capacity Σ-XS

Internal temperature error 1 (control main board temperature error)

servo drive

Meaning:

Possible causes

Source: Σ-XS Servo Unit EtherCAT Communication Command Type Product Manual P675; Large-Capacity Σ-XS Servo Unit (Integrated Converter Type) EtherCAT Communication Command Type Product Manual P604

Series: Σ-XT, Σ-XW

Common to all axes

servo drive

Meaning:

Possible causes

Source: Σ-XT Servo Unit EtherCAT Communication Command Type Product Manual P564; Σ-XW Servo Unit EtherCAT Communication Command Type Product Manual P616