BoilerFaultCodes High rate LED flashing yellow High
Boiler Fault Code High rate LED flashing yellow
Also written as HIGHRATELEDFLASHINGYELLOW — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code High rate LED flashing yellow 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 an internal fault during its startup sequence and is signaling that it needs a technical health check. (As reported on Baxi Bermuda 552)
Pick your boiler brand for the High rate LED flashing yellow fix
Source
Information for the High rate LED flashing yellow 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 7 July 2026