BoilerFaultCodes A LED 6 High
Boiler Fault Code A LED 6
Also written as ALED6 — same fault.
Reviewed by the BoilerFaultCodes Editorial Team Last reviewed
Fault code A LED 6 appears across 1 boiler brand and 2 models. The exact meaning varies by manufacturer — pick your boiler brand below to see the model-specific fix.
Most common meaning Your boiler has stopped working because it has detected a faulty electrical signal or low water pressure, which prevents it from safely heating your home or water. (As reported on Ferroli Arean)
Pick your boiler brand for the A LED 6 fix
Source
Information for the A LED 6 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