How much does it cost to fix boiler error code E01-156?

Typical repair cost for the boiler E01-156 fault is £150-300 including labour.

E01-156 Emergency

Boiler Fault Code E01-156

Also written as E01156 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E01-156 appears across 1 boiler brand and 6 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has detected an issue with the fuel supply components specific to LPG operation, meaning it cannot safely ignite. (As reported on Ideal Mini HE)

Pick your boiler brand for the E01-156 fix

Ideal E01-156 6 models

Source

Information for the E01-156 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