Low
d.45 on Vaillant ecoTEC Plus 832

Your boiler is displaying a status code rather than a fault, indicating the current internal setting for how hot it should make your radiators based on the outside temperature.

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.

Technical description

Value for the base point of the heating curve: 15 to 30

Engineer required

This fault requires a Gas Safe registered engineer. Do not attempt gas-related repairs yourself.

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