What does BT1 outdoor sensor mean?

There is no contact with the outdoor temperature sensor (BT1). This may be due to an open circuit or short circuit on the sensor input, or a defective sensor.

• Open circuit or short circuit on sensor input
• Defective sensor

Click steps to track your progress.

1. 1

   Check the BT1 outdoor sensor for visible damage.

2. 2

   Ensure the sensor is securely connected.

3. 3

   Test the sensor for continuity and resistance.

4. 4

   Replace the sensor if it is defective.