Low
Fd on Worcester Bosch CDi Highflow

You have accidentally pressed the reset button on your boiler, which has simply interrupted its normal startup cycle.

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

Technical description

Reset button pressed by mistake

DIY fix possible

Turn the boiler off at the fused spur or mains switchWait for 30 seconds for the internal electronics to fully power downSwitch the power back on and allow the boiler to restart normally

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful