High
24 on Halstead Dimplex Combi

Your boiler has stopped working because the internal computer cannot communicate with the fan that clears exhaust gases.

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

Faulty fan signal, no flame and fan runs continuously - Missing or defective signal from fan

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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