Low
283 on Worcester Bosch Junior 24i

Your boiler is currently going through its normal startup sequence and is getting ready to light the flame.

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

The boiler is preparing for a burner start – the fan and pump are activated

DIY fix possible

Wait a few minutes to see if the boiler lights normallyCheck if your thermostat is calling for heatEnsure your gas supply is turned on

Find a Gas Safe engineer
Search the official register →

Related fault codes

Related guides you might find useful