How much does it cost to fix Ideal error code Neon 1?

Typical repair cost for the Ideal Neon 1 fault is £120-240 including labour.

Neon 1 High

Ideal Neon 1 Fault Code

Q: What does the Ideal Neon 1 fault code mean?

Your boiler has detected that the internal fan system is already running or the air sensor is stuck before it should be, preventing the boiler from starting its ignition sequence safely.

Also written as NEON1 — same fault.

The Ideal Neon 1 fault code means: your boiler has detected that the internal fan system is already running or the air sensor is stuck before it should be, preventing the boiler from starting its ignition sequence safely.. It appears on 3 Ideal models in our database.

Technical description: Air pressure switch made.

Typical repair cost £120-240 (including labour)

Engineer required

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

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Ideal models that show the Neon 1 fault code

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

Source

Ideal Neon 1 fault code information on this page is sourced and cross-checked against the official Ideal service / installation manuals for each affected model.

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