Low
d.65 on Vaillant ecoTEC plus

This code is not an error, but rather a status display showing how long the boiler took to light its flame during the last ignition attempt.

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 burner ignition time: Current value in seconds

Engineer required

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

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