High
ER 01 + Reset on Biasi Riva Plus M96.24SM

Your boiler has failed to light or has lost its flame, which has caused it to lock itself out for safety.

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

N/A

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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