E14 High

Boiler Fault Code E14

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E14 appears across 10 boiler brands and 43 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 internal computer has developed a communication fault or an electronic failure, preventing the system from operating safely. (As reported on Remeha Avanta Plus)

Pick your boiler brand for the E14 fix

Alpha E14 3 models Ariston E14 2 models Biasi E14 12 models Halstead E14 6 models Potterton E14 2 models Remeha E14 8 models Saunier Duval E14 6 models Viessmann E14 1 model Vokera E14 2 models Warmhaus E14 1 model

Source

Information for the E14 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