Low
S.020 on Vaillant ecoTEC Plus 832

Your boiler is currently in standby mode because it is not receiving a signal that it needs to heat your hot water at this moment.

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

Thereisnodemandforthedomestichotwatercylindercharging.

From this model's manual
Verified against the Vaillant Ecotec Plus installation & service manual, page 79.
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 external programmer or smart thermostat to ensure the hot water schedule is active.Verify that the hot water temperature setting on the front of the boiler is set to a reasonable level.Ensure any connected hot water cylinder thermostat is calling for heat.

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