How much does it cost to fix boiler error code 0A1?

Typical repair cost for the boiler 0A1 fault is £120-250 including labour.

0A1 High

Boiler Fault Code 0A1

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code 0A1 appears across 1 boiler brand and 3 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 the burner, meaning it cannot provide you with any heating or hot water. (As reported on Alpha Pro Tec Plus)

Pick your boiler brand for the 0A1 fix

Alpha 0A1 3 models

Source

Information for the 0A1 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