BoilerFaultCodes E83 465 High
Boiler Fault Code E83 465
Also written as E83465 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E83 465 appears across 1 boiler brand and 1 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler's electronic control system is miscommunicating with its sensors, which prevents it from firing up safely to provide heating or hot water. (As reported on Potterton Promax 15 & 24)
Pick your boiler brand for the E83 465 fix
Source
Information for the E83 465 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