E98 Medium

Boiler Fault Code E98

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code E98 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.

Most common meaning Your boiler is having trouble communicating with the solar panel control system, which means your renewable energy setup isn't working correctly with your heating. (As reported on Biasi Inovia 2020)

Pick your boiler brand for the E98 fix

Source

Information for the E98 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