Low
d.94 on Vaillant Home Combi

Your boiler has performed a routine reset of its internal memory to clear previously recorded system errors.

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

Deletefaultlist

From this model's manual
Verified against the Vaillant Home Combi installation & service manual, page 34.
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

Observe the boiler display to see if the main operating temperature returnsMonitor the system for any new error codesIf the boiler is operating normally, no further action is required

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