High
36 on Halstead Eden CBX/SBX

Your boiler has lost the ability to control its internal settings, likely because of a communication error between its main computer chip and the heating system.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

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.

What the manual says

Manufacturer manual

BCC Error / No flame - Damaged BCC (BCC’s only fitted to replacement PCB’s)

From this model's manual
Verified against the Halstead Eden 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.

Engineer required

This is a high severity fault. Stop using the boiler and call a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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