Medium
d.68 on Vaillant ecoFIT Pure 425

Your boiler is struggling to light the flame on its first try, which could lead to it locking out and leaving you without heating or hot water if it continues.

Reviewed by the BoilerFaultCodes Editorial Team · Last reviewed

Book a service

This fault should be looked at by a Gas Safe engineer within the next week or two. It may get worse if left.

What the manual says

Manufacturer manual

Number of unsuccessful ignitions at 1st attempt

From this model's manual
Verified against the Vaillant Ecofit Pure 830 installation & service manual, page 31.
Plain-English guidance below. Severity, DIY steps, costs and parts are our interpretation to help you act, not text from the manual.

DIY fix possible

Check that your gas emergency control valve is fully openIf you have a pre-paid gas meter, ensure you have sufficient creditCheck if other gas appliances, like a hob, are working correctly to rule out a gas supply issue

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Related fault codes

F.28View →F.29View →d.69View →

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