High
2920 V on Worcester Bosch 26 CDi Xtra

Your boiler has detected an issue with the flame and has shut down as a safety precaution to ensure gas is not being supplied without being burned.

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.

Technical description

Error with the flame monitoring

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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Related fault codes

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