Low
S.30 on Glow-worm Easicom3 Combi

Your boiler is currently prevented from turning on the heating because it is waiting for a signal from your wall thermostat or room controller.

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

Roomthermostatisblockingheatingmode.

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 wall thermostat is set to a temperature higher than the current room temperatureReplace the batteries in your room thermostat unitCheck that the thermostat is properly connected to the wireless receiver or wired control box

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Related fault codes

S.31View →S.32View →

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