E10 High

Boiler Fault Code E10

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E10 appears across 14 boiler brands and 128 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 that water is the wrong temperature as it enters and leaves the unit, essentially indicating that the water is not circulating through your radiators properly. (As reported on Remeha Quinta 115)

Pick your boiler brand for the E10 fix

Alpha E10 28 models Baxi E10 35 models Biasi E10 8 models Heatline E10 2 models Intergas E10 6 models Johnson Starley E10 1 model Keston E10 9 models Main E10 1 model Potterton E10 11 models Ravenheat E10 9 models Remeha E10 9 models Viessmann E10 1 model Vokera E10 7 models Warmhaus E10 1 model

Source

Information for the E10 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