Low
Fd on Worcester Bosch ZB 7 27 HE

Your boiler has detected that the reset button was pressed unnecessarily and is simply indicating that no actual fault has occurred.

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

Reset button pressed by mistake.

DIY fix possible

Wait for the boiler to return to its normal standby modeIf the code persists, restart the boiler using the main power switchMonitor the display to ensure the standard temperature readout returns

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