Low
S.0 on Glow-worm Ultimate3 Combi

Your boiler is currently in standby mode because it has not been asked to provide any 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

Heatingmode:Norequirement

From this model's manual
Verified against the Glow Worm Ultimate3 Combi installation & service manual, page 44.
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 your room thermostat or smart controller settingsEnsure the heating timer or programmer is set to 'ON'Run a hot water tap to see if the boiler activates

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Related fault codes

S.1View →S.2View →S.3View →

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