Low
Fd on Worcester Bosch Greenstar R29 40 HE

Your boiler is simply indicating that the reset button has been pressed briefly during normal operation, rather than it being a sign of a broken part.

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.

What the manual says

Manufacturer manual

Reset button pressed by mistake. Press reset button again.

From this model's manual
Verified against the Worcester Bosch Greenstar 25he installation & service manual, page 104.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait for the boiler to return to its normal display mode automaticallyIf the boiler does not resume, switch it off at the fused spurWait 30 seconds and switch the power back on to clear the notification

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