High
8.3 Faulting Finding Codes on Halstead Eden CBX/SBX

Your boiler has identified an internal error that requires a professional manual to diagnose the exact issue.

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.

Technical description

Please refer to the separate fault finding chart for full details of all fault codes.

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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