E36 High

Boiler Fault Code E36

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E36 appears across 4 boiler brands and 7 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler's computer memory has developed a communication fault and can no longer process its stored settings. (As reported on Vokera Condexa Pro)

Pick your boiler brand for the E36 fix

Ariston E36 2 models Ideal E36 1 model Keston E36 2 models Vokera E36 2 models

Source

Information for the E36 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