BoilerFaultCodes E7 High
Boiler Fault Code E7
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E7 appears across 1 boiler brand and 11 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because it cannot properly measure the temperature of the water coming back into the unit due to a faulty internal sensor. (As reported on Remeha Quinta Ace 25)
Pick your boiler brand for the E7 fix
Source
Information for the E7 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