Low
S.109 on Glow-worm Easicom3 System

Your boiler has entered a temporary sleep mode and is currently waiting for a signal from your thermostat or hot water timer to begin heating.

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 System installation & service manual, page 42.
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 and ensure it is set to a temperature higher than the current room temperature.Verify that your heating timer or programmer is set to an 'On' period.Check if your hot water cylinder thermostat is calling for heat.

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