E13 High

Boiler Fault Code E13

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E13 appears across 5 boiler brands and 14 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's main control board has suffered an internal electronic failure and can no longer manage the system's functions. (As reported on Vokera Pinnacle)

Pick your boiler brand for the E13 fix

Ariston E13 2 models Biasi E13 9 models Potterton E13 1 model Vokera E13 1 model Warmhaus E13 1 model

Source

Information for the E13 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 7 July 2026