Fault FF (Detailed 224) — Burner fault: internal fault or stuck reset button

What does FF mean?

The burner is in fault mode due to an internal fault or because the reset button R is blocked. This indicates a problem with the boiler's internal electronics or a physical issue with the reset mechanism.

• Internal fault or reset button R blocked

Click steps to track your progress.

1. 1

   Visually inspect the reset button R to ensure it is not stuck or physically blocked.

2. 2

   Restart the equipment by cycling its power off and then on again at the main switch.

3. 3

   If the equipment will not restart or the fault persists, the control unit may need to be replaced by a qualified technician.