Low
305 on Worcester Bosch Hideaway

Your boiler is busy prioritising your hot water and is waiting for that cycle to finish before it can provide heating for your radiators.

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.

Technical description

The boiler is waiting for domestic hot water (DHW) operation to end

DIY fix possible

Check if a hot water tap has been left running slightlyTurn off any hot water demand at the programmer or thermostatWait up to 20 minutes for the hot water priority cycle to complete naturally

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