Green LED Flashing 8-times every second Low

Boiler Fault Code Green LED Flashing 8-times every second

Also written as GREENLEDFLASHING8TIMESEVERYSECOND — same fault.

Reviewed by the BoilerFaultCodes Editorial Team Last reviewed

Fault code Green LED Flashing 8-times every second 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 entered an automatic management mode to optimize the temperature of your heating system and is not currently reporting a hardware fault. (As reported on Halstead iHeat 24c)

Pick your boiler brand for the Green LED Flashing 8-times every second fix

Halstead Green LED Flashing 8-times every second 1 model

Source

Information for the Green LED Flashing 8-times every second 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