Low
S.109 on Glow-worm Easicom3 Combi

Your boiler has entered a temporary sleep mode and is currently not heating your water or home.

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

Product's standby mode activated

From this model's manual
Verified against the Glow Worm Easicom3 Combi installation & service manual, page 45.
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 thermostat or programmer settings to ensure a heating or hot water schedule is activeEnsure the boiler's power supply is switched onPress the 'Reset' button on the boiler interface if the display remains unresponsive

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