Low
S.26 on Vaillant ecoTEC plus aquaPLUS

Your boiler is currently running the internal fan to move heat from the burner into your hot water storage tank.

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

Fan over run (store charging)

From this model's manual
Verified against the Vaillant Ecotec Plus Aquaplus installation & service manual, page 38.
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 hot water controls are set to the desired temperatureWait up to 20 minutes for the 'store charging' process to complete naturallyMonitor the display to see if it transitions to a different code or back to a standard temperature display

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