How much does it cost to fix Halstead error code Ignition Lock-out neon?

Typical repair cost for the Halstead Ignition Lock-out neon fault is £120-250 including labour.

Ignition Lock-out neon High

Halstead Ignition Lock-out neon Fault Code

Q: What does the Halstead Ignition Lock-out neon fault code mean?

Your boiler has stopped working because it failed to light the flame properly, so it has shut itself down for safety.

Also written as IGNITIONLOCKOUTNEON — same fault.

The Halstead Ignition Lock-out neon fault code means: your boiler has stopped working because it failed to light the flame properly, so it has shut itself down for safety.. It appears on 2 Halstead models in our database.

Technical description: Boiler has failed to ignite. Turn thermostat to maximum and ensure programmer is switched on before pressing reset button.

Typical repair cost £120-250 (including labour)

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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Halstead models that show the Ignition Lock-out neon fault code

Click a model for the full fault code list and model-specific repair notes.

Source

Halstead Ignition Lock-out neon fault code information on this page is sourced and cross-checked against the official Halstead service / installation manuals for each affected model.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed 27 April 2026