F45 - Indoor water outlet temperature sensor abnormality

What does F45 mean?

The sensor measuring the water outlet temperature indoors is faulty or disconnected. The system will stop operation after 5 seconds.

• Water outlet temperature sensor is defective or disconnected

Click steps to track your progress.

1. 1

   Check that the indoor water outlet temperature sensor is securely connected.

2. 2

   Inspect the sensor for any damage.

3. 3

   Replace the sensor if it is defective.

4. 4

   Contact a qualified installer or service technician for help.