Auto-tuning Data Error

Hva betyr Er - 01 ?

An error was detected in the data input for auto-tuning or in the relationship between the motor output and motor rated current. This prevents successful auto-tuning, which is crucial for optimal drive performance and motor control.

• Incorrect motor nameplate data (e.g., motor rated current, rated voltage, rated speed) entered into drive parameters (P3-01 to P3-05).
• Motor not connected or incorrect wiring between drive output terminals (U, V, W) and motor terminals.
• Significant mismatch between the drive's rated output and the motor's actual power rating.
• Motor overload or mechanical binding preventing the motor from moving freely during the tuning process.
• Encoder feedback issue (if using closed-loop auto-tuning) preventing accurate speed/position measurement.

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1. 1

   1. Verify all motor nameplate data entered into drive parameters (e.g., P3-01 (Motor Rated Current), P3-02 (Motor Rated Voltage)) for accuracy.

2. 2

   2. Confirm wiring continuity and correct phase sequence between drive output terminals (U, V, W) and motor terminals.

3. 3

   3. Ensure the motor shaft is free to rotate without mechanical binding or excessive load during the auto-tuning sequence.

4. 4

   4. Check for proper grounding of the motor frame and drive to prevent measurement inaccuracies.

5. 5

   5. Attempt to run the motor in manual mode (without auto-tuning) at a low frequency (e.g., 5 Hz) to confirm basic operation.

6. 6

   6. If using an encoder, verify encoder wiring integrity and signal presence at the feedback option card terminals.