BoilerFaultCodes E052 High
Boiler Fault Code E052
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E052 appears across 1 boiler brand and 4 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 detected an internal electronic failure and can no longer operate your heating or hot water safely. (As reported on Vokera Synergy Combi)
Pick your boiler brand for the E052 fix
Source
Information for the E052 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