High
E18 on Biasi Rinnova Adaptive Combi

Your boiler is struggling to light or detect a flame, which means it cannot safely heat your water or radiators.

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

Main electronic p.c.b., Ignition / Detection electrode, Gas supply line

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

E01View →E02View →E17View →

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