Low
D.64 on Vaillant Combi Compact 242EB

Your boiler is taking longer than expected to start up its flame, which suggests an early warning sign of a component starting to fail.

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

Average ignition times

Engineer required

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

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Related fault codes

F.28View →F.29View →D.65View →

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