Low
S.010 on Vaillant ecoTEC plus Combi

Your boiler is currently in standby mode because it has not detected a request for hot water or 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

There is no demand for domestic hot water draw-off.

From this model's manual
Verified against the Vaillant Ecotec Plus installation & service manual.
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 hot water taps to ensure they are fully closed and not drippingEnsure your heating programmer or room thermostat is set to 'On' if you require heatingCheck your smart home integration or external controls are requesting heat

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S.000View →S.001View →

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