E97 High
Boiler Fault Code E97
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code E97 appears across 2 boiler brands and 15 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 that the electricity supply arriving at the unit is too low for it to operate safely and has shut down to protect its internal parts. (As reported on Biasi Antares System)
Pick your boiler brand for the E97 fix
Source
Information for the E97 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