High
F68 – A68 on Ferroli Domiproject

Your boiler's internal computer chip has lost connection or has become corrupted, meaning the system cannot safely identify how it should operate.

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

Boiler chip card (BCC) service key fault

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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