High
E22 on Biasi Antares Combi

Your boiler’s internal computer has lost its settings and doesn't know how to operate properly, often occurring after a power cut or a part replacement.

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

Parameter programming request

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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