Low
Green LED Flashing every 6-seconds on Halstead iHeat 24c

Your boiler is working correctly and is simply sitting in standby mode waiting for you to turn on the heating or hot water.

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

At stand-by with no faults

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

Check that your room thermostat is turned upEnsure your heating programmer or timer is set to 'On'Turn on a hot water tap to see if the boiler fires up

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