BoilerFaultCodesHalstead Activate BCC Fault Code
Also written as ACTIVATEBCC — same fault.
The Halstead Activate BCC fault code means: your boiler has recently had its main computer chip replaced and is waiting for you to restart it to complete the final setup.. It appears on 1 Halstead model in our database.
Technical description: New BCC, press reset to activate • Burner off
DIY fix possible
Locate the Reset button on the front control panel.Press and hold the Reset button for several seconds.Wait for the boiler to cycle through its startup sequence and check if the error clears.
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Halstead models that show the Activate BCC fault code
Click a model for the full fault code list and model-specific repair notes.
Source
Halstead Activate BCC fault code information on this page is sourced and cross-checked against the official Halstead service / installation manuals for each affected model.
Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 7 July 2026