How much does it cost to fix boiler error code ERROR CODE 1?

Typical repair cost for the boiler ERROR CODE 1 fault is £100-£350 including labour.

ERROR CODE 1 High

Boiler Fault Code ERROR CODE 1

Also written as ERRORCODE1 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

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

Most common meaning Your boiler has failed to ignite or lost its flame and has shut down as a safety precaution. (As reported on Ideal Icos HE)

Pick your boiler brand for the ERROR CODE 1 fix

Ideal ERROR CODE 1 2 models

Source

Information for the ERROR CODE 1 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