F49 - Outdoor bypass outlet temperature sensor abnormality

What does F49 mean?

The sensor measuring the temperature at the outdoor bypass outlet is faulty or disconnected. The system will stop operation after 5 seconds.

• Outdoor bypass outlet temperature sensor is defective or disconnected

Click steps to track your progress.

1. 1

   Ensure the outdoor bypass outlet temperature sensor is properly connected.

2. 2

   Check the sensor for any signs of damage.

3. 3

   Replace the sensor if it is defective.

4. 4

   Contact a qualified installer or service technician if the problem persists.