Low
Fd on Worcester Bosch Greenstar FS 30 CDi Regular

Your boiler has registered that the reset button has been pressed too many times within a short period and has temporarily locked itself for safety.

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

From this model's manual
Verified against the Worcester Bosch/Worcester Bosch Greenstar Fs30 Cdi Regular Lpg 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

Wait 15 to 30 minutes for the boiler to cool down and clear the internal lockout timer.Press the reset button firmly once and release it.If the boiler does not restart, turn the mains power off to the boiler for 60 seconds and turn it back on.

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Related fault codes

All 13 fault codes on the Greenstar FS 30 CDi Regular

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

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