Fault FA (Detailed 154) — Burner fault: fan not at standstill

What does FA mean?

The burner is in fault mode because the fan is not at a standstill when it should be. This can indicate a stuck fan or a control issue, preventing the boiler from starting or operating safely.

• Fan not at standstill

Click steps to track your progress.

1. 1

   Check the fan unit for any physical obstructions or signs of it being stuck.

2. 2

   Inspect the fan connecting cables and power supply for any damage or looseness.

3. 3

   Verify the fan control unit for proper function.

4. 4

   Press the reset button R on your boiler.