Yaskawa A.C21 fault code meaning
Yaskawa / A.C21
Series: Σ-7C, Σ-XS, Σ-XT, Σ-XW
Hall sensor fault
servo drive
Meaning:
Possible causes
Source: Σ-7C Servo Unit Fault Diagnosis Manual P50; Σ-XS Servo Unit EtherCAT Communication Command Type Product Manual P677; Σ-XT Servo Unit EtherCAT Communication Command Type Product Manual P566; Σ-XW Servo Unit EtherCAT Communication Command Type Product Manual P618
Series: Σ-7S, Σ-7W
Magnetic pole sensor fault
servo drive
Meaning:
Possible causes
Source: 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
Series: Σ-V
Hall sensor fault
servo drive
Meaning:
Possible causes
Source: Σ-V Series User Manual, Design and Maintenance: Analog Voltage/Pulse Train Command Type_Linear Drive Type P314