BoilerFaultCodes CH LED Medium
Boiler Fault Code CH LED
Also written as CHLED — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code CH LED 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 is struggling to receive the signal to start your central heating, possibly because it is not being told to turn on by your timer or thermostat. (As reported on Ideal Boxer)
Pick your boiler brand for the CH LED fix
Source
Information for the CH LED 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