Technical description
Reset button pressed by mistake.
What causes this fault?
This fault occurs when the reset button on the control panel is held down for more than 15 seconds, which the boiler interprets as an accidental press. It is often triggered by a homeowner attempting to clear a previous error or by something leaning against the control panel. Once the button is released and the error is cleared, the system should resume normal operation immediately.
DIY fix possible
Press the Reset button once more briefly to clear the code.If the code remains, switch the power to the boiler off at the fused spur switch.Wait 30 seconds and switch the power back on.