Low
Fd on Worcester Bosch Greenstar 42CDi

Your boiler has been put into a temporary reset mode because the button was held down too long or pressed accidentally.

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.

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar Cdi Classic 2012 installation & service 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 firmly once and release it immediatelyWait up to 30 seconds for the display to return to a normal temperature readingIf the code persists, switch the boiler's power off and back on at the fused spur switch

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Related fault codes

All 12 fault codes on the Greenstar 42CDi

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

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