How much does it cost to fix boiler error code 230V AC?

Typical repair cost for the boiler 230V AC fault is £150-300 including labour.

230V AC High

Boiler Fault Code 230V AC

Also written as 230VAC — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 7 July 2026

Fault code 230V AC 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 detecting an electrical fault within its internal control wiring, which means it cannot safely operate and has shut down to protect itself. (As reported on Glow-worm 23c)

Pick your boiler brand for the 230V AC fix

Glow-worm 230V AC 1 model

Source

Information for the 230V AC 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 7 July 2026