Low
d.05 on Vaillant ecoFIT Pure 835

Your boiler is simply displaying the current temperature it is aiming to reach for your central heating; this is an information status rather than a breakdown.

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

Determined heating flow set target temperature

DIY fix possible

Check if your room thermostat is set to the desired temperaturePress the 'i' or 'back' button to return to the main pressure displayNo action is required as this is a normal status message

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