E83 489 High
Boiler Fault Code E83 489
Also written as E83489 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E83 489 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 has detected a internal water leak or a compromised seal within the unit's plumbing components, which is causing it to stop运行 safely. (As reported on Potterton Promax 15 & 24)
Pick your boiler brand for the E83 489 fix
Source
Information for the E83 489 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