Sensor error BT25 — Displayed even if sensor is disconnected

What does BT25 sensor error mean?

The system incorrectly shows a sensor error for BT25, even when this sensor is not physically connected. This prevents proper system operation and could be a software bug related to sensor detection.

• Sensor BT25 not connected for at least five consecutive seconds to be registered.
• Software bug causing false sensor error alarms.
• Faulty wiring or connection to the BT25 sensor.

Click steps to track your progress.

1. 1

   Verify the BT25 sensor is correctly and securely connected to the control module.

2. 2

   If the sensor is intended for use, ensure it has been connected for at least five consecutive seconds.

3. 3

   Update the NIBE SMO 20 firmware to version 8700R4 or later.

4. 4

   If BT25 is not installed, ensure its function is deactivated in the system settings.