BoilerFaultCodes EA (261) High
Boiler Fault Code EA (261)
Also written as EA261 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code EA (261) appears across 1 boiler brand and 12 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 electronic control center is having trouble communicating with the system, preventing the boiler from starting up safely. (As reported on Worcester Bosch Greenstar 12i System)
Pick your boiler brand for the EA (261) fix
Source
Information for the EA (261) 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