High
E42 on Biasi Antares Combi

Your boiler has shut down because a safety component detected it was getting dangerously hot, and this fuse now needs to be replaced.

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

Intervention of safety thermal fuse

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

E02View →E03View →E05View →

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