BoilerFaultCodes 269 High
Boiler Fault Code 269
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code 269 appears across 2 boiler brands and 9 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 an internal calibration error with its gas valve during startup, meaning it cannot safely regulate the fuel supply to ignite. (As reported on Navien NCM 1130HH)
Pick your boiler brand for the 269 fix
Source
Information for the 269 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 31 August 2026