Low
S.O on Vaillant Combicompact vcw282eh

Your boiler is currently in standby mode because it hasn't received a signal from your thermostat to turn the heating on.

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

Heating issue, no heat demand

From this model's manual
Verified against the Vaillant/Vaillant Combi Compact 242eb 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 that your room thermostat is turned up higher than the current room temperatureEnsure your heating programmer or timer is set to 'ON'Replace the batteries in your wireless thermostat if the screen is blank

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Related fault codes

S.31View →S.36View →

All 9 fault codes on the Combicompact vcw282eh

Seeing a different code? Every code this model can display, in one place.

CONNECTIONS.1S.2S.3S.6S.7S.8S.15

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