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

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

Ignition Lock-out High

Halstead Ignition Lock-out Fault Code

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

Your boiler has stopped working because it cannot light the flame required to produce heat or hot water.

Also written as IGNITIONLOCKOUT — same fault.

The Halstead Ignition Lock-out fault code means: your boiler has stopped working because it cannot light the flame required to produce heat or hot water.. It appears on 1 Halstead model in our database.

Technical description: Occurs if the burner fails to light. The safety Lock-out LED will be illuminated. Requires reset via Main Switch.

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 fault code

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

Ace High Repair: £120-250

Source

Halstead Ignition Lock-out 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