BMS Communication Fault

What does 11 mean?

A communication fault has occurred with the Battery Management System (BMS), preventing reliable data exchange. This is a warning only.

• Interruption in the communication line (e.g., CANbus) between the main controller and the BMS.
• Damaged communication wiring or loose connections.
• Temporary malfunction of the BMS communication interface.

Click steps to track your progress.

1. 1

   Inspect communication cables between the Kone Elevator Control and the Battery Management System (BMS) for damage, proper seating, and loose connections.

2. 2

   Measure the supply voltage at the BMS input terminals to confirm it meets the nominal specification.

3. 3

   Verify communication parameters (e.g., baud rate, device address, network ID) configured in the Kone Elevator Control and the BMS match the system documentation.

4. 4

   Check for proper termination resistors on the communication bus, if applicable to the specific communication protocol used by the BMS.

5. 5

   Perform a controlled restart of the Battery Management System (BMS) and the relevant elevator control module to re-initialize the communication link.