10

MC Communication Fault

Kone · Elevator Control

What does 10 mean?

A communication fault has occurred with the Motor Controller (MC), 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 motor controller.
  • Damaged communication wiring or loose connections.
  • Temporary malfunction of the motor controller's communication interface.

Repair Steps & Checklist

Click steps to track your progress.

  1. 1

    Inspect communication cables between the main controller and the Motor Controller (MC) for damage, loose connections, and proper seating at both ends.

  2. 2

    Measure and verify the supply voltage to the Motor Controller (MC) at its input terminals against the specified nominal voltage range.

  3. 3

    Verify communication bus termination and shielding (if applicable) according to the Kone documentation for the specific communication protocol.

  4. 4

    Check and confirm communication parameters (e.g., baud rate, node ID, protocol settings) are correctly configured and match between the main controller and the Motor Controller (MC).

  5. 5

    Observe communication status LEDs on the Motor Controller (MC) and the main controller for any error codes or unexpected behavior.

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Verified technical data. Last updated: March 2026

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