BoilerFaultCodes 30e High
Boiler Fault Code 30e
Also written as 30E — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 30e appears across 1 boiler brand and 2 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 a persistent fault in its internal control system, meaning it has shut down as a safety precaution and will not provide heating or hot water. (As reported on Potterton Profile 60E)
Pick your boiler brand for the 30e fix
Source
Information for the 30e 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