Low
Fd on Worcester Bosch Worcester 25/30 HE

Your boiler has been placed into a temporary lock mode because the reset button was held down for too long.

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 (pressed for more than 30 seconds)

Shared across the Greenstar R range
This code is shared by the boilers in this range, which use the same control board. It may not be printed in this exact variant’s manual.
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

Press the reset button once again and hold it for only 2 to 3 seconds until the display changes.Wait for the boiler to complete its restart sequence.Check that the display returns to its normal temperature reading.

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Related fault codes

EAView →

All 20 fault codes on the Worcester 25/30 HE

Seeing a different code? Every code this model can display, in one place.

A7A8ACb1C1C4C6d1d3E2E9EAF0F7FALock-outP1P2P3

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