How much does it cost to fix boiler error code E38?

Typical repair cost for the boiler E38 fault is £280-550 including labour.

E38 High

Boiler Fault Code E38

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed 27 April 2026

Fault code E38 appears across 6 boiler brands and 42 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler has experienced an internal communication error or hardware failure within its control system, causing it to shut down for safety. (As reported on Vokera Pinnacle)

Pick your boiler brand for the E38 fix

Alpha E38 22 models Ariston E38 2 models Johnson Starley E38 1 model Keston E38 9 models Remeha E38 6 models Vokera E38 2 models

Source

Information for the E38 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