How much does it cost to fix boiler error code neon I 2?

Typical repair cost for the boiler neon I 2 fault is £120-250 including labour.

neon I 2 High

Boiler Fault Code neon I 2

Also written as NEONI2 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code neon I 2 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is failing to light because it cannot confirm that the internal fan is effectively clearing waste gases safely. (As reported on Ideal Classic FF 330)

Pick your boiler brand for the neon I 2 fix

Ideal neon I 2 1 model

Source

Information for the neon I 2 fault code is sourced from the official service / installation manual for each model that displays it. Read more about how we source fault codes →

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