High
24 on Halstead Dimplex System

Your boiler has identified a communication problem with the fan, which means it cannot safely start the burner to provide heat or hot water.

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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