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