2281 Calibration Fault in ABB ACS880 Drive

2281 Calibration Fault in ABB ACS880 Drive indicates that the measured offset of the output phase current measurement, or the difference between the output phase U2 and W2 current measurements, is too large. The drive performs current measurement calibration to ensure accurate motor current sensing. If the measured values are outside acceptable limits, the drive generates the 2281 Calibration Fault.

This fault is typically related to current sensor calibration, current measurement circuitry, or power hardware issues.

Possible Causes

  1. Current measurement calibration failed.
  2. Excessive offset in current measurement circuit.
  3. Difference between U2 and W2 phase current measurements exceeds limits.
  4. Faulty current sensor.
  5. Current transducer malfunction.
  6. Defective power unit hardware.
  7. Noise affecting current measurement signals.
  8. Control board measurement error.
  9. Calibration performed under incorrect conditions.
  10. Internal hardware fault.

Solutions

  1. Perform the current measurement calibration again.

  2. Select:

    99.13 – Current Measurement Calibration

  3. Ensure the motor is stopped before calibration.
  4. Verify that no load torque is applied during calibration.
  5. Check current sensor connections.
  6. Inspect current measurement wiring and connectors.
  7. Check for loose control board connections.
  8. Verify that the power unit is operating normally.
  9. Cycle power and repeat the calibration procedure.
  10. If the fault remains, inspect the current measurement hardware and sensors.
  11. Contact ABB service if calibration repeatedly fails.

Relevant Parameter

ParameterDescription
99.13Current Measurement Calibration

Additional Information

The ACS880 continuously measures motor current for:

  • Motor protection.
  • Torque control.
  • Speed control.
  • Overcurrent protection.
  • Vector control operation.

Accurate current measurement is essential for proper drive performance. During calibration, the drive measures internal offsets and compensates for them. If the measured offsets exceed allowable limits, calibration fails and 2281 Calibration Fault is generated.

Common Symptoms

  • Calibration procedure fails.
  • Drive refuses to complete commissioning.
  • Motor control performance issues.
  • Repeated calibration faults after startup.
  • Current measurement values appear unstable.

Recommended Troubleshooting Sequence

  1. Stop the motor.
  2. Execute 99.13 Current Measurement Calibration.
  3. Verify calibration completes successfully.
  4. Check current sensor wiring and connections.
  5. Inspect power unit hardware.
  6. Repeat calibration after a power cycle.
  7. Monitor actual current values.
  8. Replace faulty hardware if required.

Related Faults and Warnings

CodeDescription
2281Calibration Fault
2282Current Measurement Related Faults
A2B1Overcurrent Warning
A2B4Short Circuit Warning

Preventive Maintenance Tips

  • Perform calibration after replacing control boards or power units.
  • Keep control board connections secure.
  • Inspect current sensor wiring during maintenance.
  • Avoid performing calibration while the motor is running.
  • Ensure stable supply conditions during commissioning.

Proper execution of 99.13 Current Measurement Calibration and verification of current measurement hardware will help resolve and prevent recurring 2281 Calibration Faults in ABB ACS880 drives.

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