BoilerFaultCodes 219 / E9 High
Boiler Fault Code 219 / E9
Also written as 219E9 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 219 / E9 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 has detected that it is running too hot and has automatically shut down to prevent damage. (As reported on Worcester Bosch Greenstar CDi Compact)
Pick your boiler brand for the 219 / E9 fix
Source
Information for the 219 / E9 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