Sensor fault BT2 — Temperature sensor BT2 malfunction

What does Sensor flt:BT2 mean?

The heat pump has detected a malfunction with temperature sensor BT2. This sensor is crucial for monitoring specific temperatures within the system, and its fault can impact heating or hot water production.

• Faulty sensor BT2.
• Loose electrical connection to sensor BT2.
• Damaged wiring to sensor BT2.
• Corrosion at sensor terminals.

Click steps to track your progress.

1. 1

   Access the 'ALARM LOG' (Menu 3.4) on the display to view details of the sensor fault.

2. 2

   Navigate to the 'info / action' section for the BT2 alarm (via the general alarm menu) for specific advice.

3. 3

   Attempt to 'reset alarm' in the display.

4. 4

   If the fault persists or returns, contact your installer to inspect sensor BT2 and its connections.

5. 5

   Provide the installer with the exact sensor fault code 'Sensor flt:BT2' for faster service.