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

Typical repair cost for the boiler E fault is £120-280 including labour.

E High

Boiler Fault Code E

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 31 August 2026

Fault code E appears across 7 boiler brands and 15 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's internal computer chip is missing or not communicating properly, meaning the system doesn't know how to operate correctly. (As reported on Dimplex OV 32)

Pick your boiler brand for the E fix

Ariston E 1 model Baxi E 1 model Dimplex E 1 model Halstead E 2 models Main E 2 models Potterton E 1 model Worcester Bosch E 7 models

Source

Information for the E 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 31 August 2026