Yaskawa robot servo driver alarm codes and troubleshooting methods

Yaskawa Servo Drive Alarm Code and Troubleshooting

A.02 User parameter failure Server EEPROM data abnormal A.03 Main circuit decoder abnormal Power circuit detection abnormal

A.04 User parameter abnormality The user parameter setting is out of the allowable range 　　 A.05 Combination error Servo motor and servo drive capacity do not match

A.10 Overcurrent or radiator overheating There is an overcurrent flowing through the IGBT radiator and overheating 　　 A. 30 Regenerative abnormality Regenerative circuit failure or regenerative resistor failure 　　 A.32 Regenerative overload The regenerative energy exceeds the regenerative resistor capacity

A.40 DC overvoltage Main circuit DC overvoltage

A.41 DC low voltage main circuit DC low voltage A.51 Overspeed motor speed is too high A.71 Overload high load motor largely exceeds rated torque for several seconds or tens of seconds A.72 Overload low load motor largely exceeds rated torque Continuous operation

A.73 Dynamic brake overload When the dynamic brake is applied, the rotating energy exceeds the dynamic brake resistance capacity 　　A. 74 Surge current limiter overload The main circuit power supply changes frequently between ON and OFF 　 A.7A Radiator overheating The radiator of the server is overheated

A.81 Absolute encoder backup battery error All the absolute encoder power supply has failed and the position data has been erased. A.82 Encoder CHECK SUM check error The CHECK SUM check result of the encoder memory is incorrect

A.83 Absolute encoder battery error Absolute encoder battery voltage drops A.84 Absolute encoder data error Abnormal data received

A.85 Absolute encoder over speed When the power is connected, the encoder rotates at high speed

A.86 Encoder overheating The internal temperature of the encoder is too high. A.b1 Speed ​​command input read error The A/D converter of the command speed input is faulty

A.b2 Torque command input read error A/D converter failure of command torque input 　　 A.bF System alarm A system failure occurred in the server

A.C1 Servo overspeed operation Servo motor out of control AC8 Absolute encoder clear abnormality and multiple rotation limit setting abnormal Absolute encoder multiple rotations are not cleared correctly or set A.C9 Encoder communication error The server and encoder cannot be connected Communication A.CA Encoder parameter error Encoder parameter failure A.Cb Encoder feedback error and encoder communication content is incorrect A.d0 Position error pulse overflow Position deviation pulse exceeds parameter Pn505　　A.F1 Power line under-phase main One phase of the power supply is not connected CPF00 Operator transmission error Operator and server transmission failure