Activate BCC High

Halstead Activate BCC Fault Code

Also written as ACTIVATEBCC — same fault.

The Halstead Activate BCC fault code means: your boiler has had a new computer chip installed and is currently waiting for you to simply acknowledge the change so it can start working again.. It appears on 4 Halstead models in our database.

Call an engineer soon

Book a Gas Safe engineer within 24 to 48 hours. Your boiler may be unsafe or could break down completely if left.

Technical description: New BCC, press reset to activate • Burner off

DIY fix possible

Locate the reset button on the front control panelPress and hold the reset button firmly for 2 to 3 secondsWait a moment for the boiler to cycle and attempt to fire up

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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 27 April 2026