Fd and RESET button and fault indicator LED are flashing. Reset button pressed inadvertently
|1.||reset button flashing?||
▶ Press the reset button for 3 seconds and release it. After releasing the appliance re-starts.
Fd? go to step 2
|2.||The PCB is damaged.||▶ Make a note of the altered service settings (see table 4 on page 6).
▶ Switch OFF the appliance.
▶ Disconnect the boiler power connection.
▶ Change PCB control board.
▶ Reconnect the appliance power connection.
▶ Switch ON the appliance.
▶ Restore service settings previously noted down.