Elevator systems rely on stable communication between the control board and the inverter drive board. When this communication is interrupted, the NICE3000 elevator system may display an E57 error code, which means the DSP and motor have lost communication for more than 500ms.
Why Does Elevator Error Code E57 Occur?
There are two major reasons for the E57 fault:
Wiring Connection Issues
1.Loose, damaged, or aged wires between the control board and inverter drive board.
2.Poor-quality cables that cannot handle stable data transmission.
Protocol Mismatch
1.The communication protocol between the main control board and inverter is not aligned.
2.Incorrect program parameters or outdated firmware settings.
Troubleshooting Steps for E57 Error
If you are facing the E57 code in your elevator system, follow these steps:
Inspect the Wiring
1.Check the connection between the main board and inverter drive board.
2.Ensure all plugs are secure and free from dust or corrosion.
3.Replace old or damaged cables with high-quality spare parts.
Verify Program Protocol Settings
1.Confirm that the protocol parameters between the main control board and inverter match.
2.Update the software settings if needed.
3.Always use the correct configuration for your elevator control system.
Preventive Measures
To avoid future elevator error code E57 or similar communication errors:
1.Use certified elevator spare parts for reliable performance.
2.Schedule regular maintenance and inspections of cables and boards.
3.Keep your control board and inverter system firmware updated.
4.Choose durable components that are compatible with your elevator system.
