Sensor flt:BT1 1 — Outdoor temperature sensor fault

What does Sensor flt:BT1 1 mean?

This alarm indicates an issue with the outdoor temperature sensor. It may be an open circuit or short circuit, or the sensor itself may be defective. The system might be set to minimum supply temperature.

• Open-circuit or short-circuit on sensor input
• Defective outdoor temperature sensor
• Loose sensor connection

Click steps to track your progress.

1. 1

   Check that the outdoor temperature sensor is correctly connected.

2. 2

   Inspect the sensor for any visible damage.

3. 3

   Reset the alarm via the alarm menu.

4. 4

   Contact your installer if the error persists.