High
Burner on neon NOT illuminated on Baxi Combi 80e

Your boiler is not firing up because it isn't receiving the necessary signal or fuel to start the heating process.

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

Go to section 'F' - Potential issues with gas supply, gas valve voltage (70-140V DC), or PCB.

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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