High
EE2233 on Ariston Genus 27

Your boiler has detected an electrical fault with the sensor that confirms the burner is lit, meaning it cannot safely start up to provide heat or hot water.

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

Flame detection electrode short-circuited

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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Search the official register →

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