External BMS Disconnected — Communication lost with Battery Management System

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Communication has been interrupted between the charge controller and the battery's management system. This prevents proper battery monitoring and charging control.

• Communication has been lost with the Battery Management System of the battery.
• Loose or damaged Xanbus network connections to the battery.

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1. 1

   Check that the Xanbus network cables are securely connected to both the battery and the charge controller.

2. 2

   Inspect the Xanbus cables for any signs of damage.

3. 3

   Restart both the charge controller and the battery system.

4. 4

   If a connection problem cannot be found, contact the manufacturer of the Battery Management System.