Low
Green LED Flashing 8-times every second on Halstead iHeat 24c

Your boiler has entered an automatic management mode to optimize the temperature of your heating system and is not currently reporting a hardware fault.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Monitor it

This is a minor fault. Keep an eye on it and mention it at your next annual boiler service. Reset the boiler and see if it clears.

What the manual says

Manufacturer manual

SARA function

From this model's manual
Verified against the Halstead Iheat 24c installation & service manual.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Wait 15-20 minutes for the boiler to complete its automatic temperature adjustment cycleCheck that your room thermostat is set to your desired temperatureEnsure the heating control knob on the boiler fascia is not being turned rapidly, which can trigger this mode

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