E317 High

Boiler Fault Code E317

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E317 appears across 3 boiler brands and 27 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 electrical frequency coming from the mains power supply or a fault within its own internal control board. (As reported on Baxi Duo-tec Combi)

Pick your boiler brand for the E317 fix

Baxi E317 24 models Main E317 1 model Potterton E317 2 models

Source

Information for the E317 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