Low
S.24 on Glow-worm Ultracom sxi

Your boiler is currently operating normally and the burner is lit to provide heat 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

burner on

From this model's manual
Verified against the Glow Worm Ultracom 2 Sxi installation & service manual, page 55.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

What causes this fault?

This is a normal status code rather than a fault, indicating that the boiler has successfully ignited the burner to heat your home or water. It shows that the internal gas valve has opened and the electrodes have created a flame to start the heating process. You do not need to take any action, as this confirms the appliance is operating as intended.

DIY fix possible

This fault may be fixable without an engineer. Check your manual first.

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