How much does it cost to fix boiler error code E 00?

Typical repair cost for the boiler E 00 fault is £150-300 including labour.

E 00 Emergency

Boiler Fault Code E 00

Also written as E00 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E 00 appears across 3 boiler brands and 5 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 a flame inside the combustion chamber when it should be switched off, which is a safety concern that prevents it from firing. (As reported on Vokera Hydra)

Pick your boiler brand for the E 00 fix

Ideal E 00 1 model Keston E 00 3 models Vokera E 00 1 model

Source

Information for the E 00 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