Low
No flash on Worcester Bosch Greenstar 42CDi

Your boiler is undergoing a standard restart process because the reset button was held down, and it will return to normal operation shortly.

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

Wait for 30-60 seconds for the boiler to complete its internal startup checks.Ensure any 'Reset' light has stopped flashing.Check if the display returns to showing the current temperature or 'P' status.

Find a Gas Safe engineer
Search the official register →

Related guides you might find useful