Low
D.067 on Vaillant ecoTEC Pro

Your boiler is currently in a temporary cooling-down period and will restart heating automatically once this short break is over.

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

Remaining anti-cycl. time for heating

From this model's manual
Verified against the Vaillant Ecotec Pro installation & service manual, page 43.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

Engineer required

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

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