Low
283 on Worcester Bosch Greenstar 30i

Your boiler is currently behaving as normal and is simply going through its standard sequence to light the burner.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

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

Shared across the range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check if heating or hot water is being requestedMonitor the boiler for a few minutes to see if the flame ignitesIf the code persists without the boiler firing, try resetting the boiler

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