Low
328 on Worcester Bosch Greenstar 8000 Style

Your boiler has experienced a temporary electricity supply flicker or power cut, causing the system to briefly lose its signal.

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

Brief mains voltage failure

DIY fix possible

Check your electricity supply to ensure no local power cuts have occurredSwitch the boiler off at the fused spur or mains power supplyWait 60 seconds and switch the power back on to allow the boiler to restart and self-reset

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