YASKAWA SGMAS User Manual
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Contents
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9 Inspection, Maintenance, and Troubleshooting9.1.1 Alarm Display Table9-29.1 Troubleshooting9.1.1 Alarm Display TableA summary of alarm displays is given in Table 9.1.If an alarm occurs, the servomotor can be stopped by doing either of the following operations.• DB STOP: Stops the servomotor immediately using the dynamic brake.• ZERO-SPEED STOP: Stops the servomotor by setting the speed reference to “0.”Table 9.1 Alarm Display TableAlarmDisplayAlarm Name Meaning ServomotorStop MethodAlarmResetServoAlarm(ALM)OutputA.020 Parameter Checksum Error EEPROM data of SERVOPACK is incorrect. DB stop N/AHA.021 Parameter Format Error Parameter data of SERVOPACK is incorrect. DB stop N/AA.022 System Checksum Error Parameter data of SERVOPACK is incorrect. DB stop N/AA.023 Parameter Password Error Parameter data of SERVOPACK is incorrect. DB stop N/AA.030 Main Circuit Detector Error Detection data for power circuit is incorrect. DB stop AvailableA.040 Parameter Setting Error The parameter setting is outside the allowablesetting range.DB stop N/AA.042 Parameter Combination Error Combination of some parameters exceeds thesetting range.DB stop N/AA.050 Combination Error SERVOPACK and servomotor capacities donot match each other.DB stop AvailableA.051 Unsupported Product Alarm The serial converter unit unsupported was con-nected.DB stop N/AA.0b0 Servo ON reference Invalid Alarm The Host controller reference was sent to turnthe Servo ON after the Servo ON function wasused with the Digital Operator or SigmaWin+.DB stop AvailableA.100 Overcurrent or Heat SinkOverheatedAn overcurrent flowed through the IGBT.Heat sink of SERVOPACK was overheated.DB stop N/AA.300 Regeneration Error Detected Regenerative circuit or regenerative resistor isfaulty.DB stop AvailableA.320 Regenerative Overload Regenerative energy exceeds regenerativeresistor capacity.DB stop AvailableA.330 Main Circuit Power Supply WiringErrorThe power supply to the main circuit does notmatch the parameter Pn001 setting.DB stop AvailableA.400 Overvoltage Main circuit DC voltage is excessively high. DB stop AvailableA.410 Undervoltage Main circuit DC voltage is insufficiently low. DB stop AvailableA.510 Overspeed Rotational speed of the motor is excessivelyhigh.DB stop AvailableA.710 Overload: High Load The motor was operating for several secondsto several tens of seconds under a torquelargely exceeding ratings.DB stop AvailableA.720 Overload: Low Load The motor was operating continuously under atorque largely exceeding ratings.DB stop AvailableA.730 Dynamic Brake Overload When the dynamic brake was applied, rota-tional energy exceeded the capacity ofdynamic brake resistor.DB stop AvailableA.740 Overload of Surge Current LimitResistorThe main circuit power was frequently turnedON and OFF.DB stop AvailableA.7A0 Heat Sink Overheated The heat sink of SERVOPACK overheated. DB stop AvailableA.810 Encoder Backup Error All the power supplies for the absolute encoderhave failed and position data was cleared.DB stop N/A |
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