ST500 | Err.13, what does this message mean and what can you do?
If the error message Err.13 appears on the frequency inverter display, it indicates a phase loss at the output.
Causes:
- This message occurs if the motor cable is faulty, there is no symmetrical load at the output, the output circuit does not function correctly, or the IGBT module does not function correctly.
Solutions:
- Check the motor cable and the connection at the motor terminal board.
- Check the insulation of the motor windings.