Low
283 on Worcester Bosch Heatslave

Your boiler is currently going through its normal startup routine and is preparing to light the burner.

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 up to 2 minutes for the boiler to complete its pre-ignition cycleCheck if heating or hot water starts normally after the code disappearsIf the code stays on screen for a long time, try a simple reset

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