BoilerFaultCodes EH High
Boiler Fault Code EH
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code EH 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’s main control screen or internal computer has developed a fault and can no longer communicate with the rest of the system. (As reported on Ideal Maximiser SE)
Pick your boiler brand for the EH fix
Source
Information for the EH 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