0E98 High
Boiler Fault Code 0E98
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 0E98 appears across 1 boiler brand and 3 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler is struggling to talk to the control system or other connected units, causing it to pause operations to prevent errors. (As reported on Alpha Pro Tec Plus)
Pick your boiler brand for the 0E98 fix
Source
Information for the 0E98 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 27 April 2026