BMS Communication Fault
Kone · Elevator Control
What does 11 mean?
A communication fault has occurred with the Battery Management System (BMS), preventing reliable data exchange. This is a warning only.
Common Causes
- 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.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Inspect communication cables between the Kone Elevator Control and the Battery Management System (BMS) for damage, proper seating, and loose connections.
- 2
Measure the supply voltage at the BMS input terminals to confirm it meets the nominal specification.
- 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
Check for proper termination resistors on the communication bus, if applicable to the specific communication protocol used by the BMS.
- 5
Perform a controlled restart of the Battery Management System (BMS) and the relevant elevator control module to re-initialize the communication link.