Low
D.71 on Vaillant Combi Compact 282EB

Your boiler is signalling that the heating temperature dial is set to its maximum limit, which is often an advisory message rather than a complete breakdown.

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.

Technical description

Maximum setting of heater control knob

DIY fix possible

Locate the heating control knob on the front panel (often marked with a radiator icon).Turn the dial slightly anti-clockwise to a lower setting.Monitor the boiler to see if the status code clears or updates.

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Related fault codes

D.0View →D.1View →D.2View →

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