BoilerFaultCodes EA261 High
Boiler Fault Code EA261
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code EA261 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's internal computer brain has encountered a communication error and is preventing the system from starting for safety. (As reported on Worcester Bosch CDi Classic)
Pick your boiler brand for the EA261 fix
Source
Information for the EA261 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