Low
D.68 on Vaillant ecoTEC 65kW

Your boiler failed to light on its first try, but it may still be working normally as it will likely attempt to restart automatically.

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

Unsuccessfulignitionsat1stattempt

From this model's manual
Verified against the Vaillant Ecotec 65kw installation & service manual, page 32.
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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