High
38 on Alpha E-Tec Plus 10 / 18

Your boiler started a flame but it went out immediately, so the system is trying to restart itself to get your heating back on.

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

Flame detected but signal lost. Ignition retries after fan purge

From this model's manual
Verified against the Alpha E Tec Plus 10 18 installation & service manual, page 48.
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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