E01-598 High

Boiler Fault Code E01-598

Also written as E01598 — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E01-598 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 is failing to light the flame because the internal electrical connection responsible for triggering ignition is likely faulty or disconnected. (As reported on Worcester Bosch 24i RSF)

Pick your boiler brand for the E01-598 fix

Source

Information for the E01-598 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