Medium
0.0 on Worcester Bosch Greenstar 25 HE Combi

Your boiler is currently reporting that a previous fault has occurred and needs to be manually cleared or reset to resume normal operation.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

If a fault has occurred, the display will show 0.0 and the last fault.

From this model's manual
Verified against the Worcester Bosch Greenstar 25 He Combi 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

Locate the reset button on your boiler control panel.Press and hold the reset button for 2 to 3 seconds.Wait a few minutes to see if the boiler ignites and the display returns to normal.

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