Low
283 on Worcester Bosch Hideaway

Your boiler is simply performing its normal startup sequence and checking that safety components are ready before lighting 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 for the startup cycle to completeEnsure your thermostat is calling for heatCheck that the gas supply is turned on if the code persists

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