Low
F7 328 on Worcester Bosch Junior 28i

Your boiler has experienced a brief momentary interruption in power and needs to be restarted.

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

A brief power failure has occurred

DIY fix possible

Locate the reset button on the boiler control panelPress and hold the reset button for five secondsWait for the blue light to stop flashing and for the boiler to restart

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful