Medium
S.6 on Vaillant Combi Compact 242EB

Your boiler is failing to shut down properly after a heating cycle because the internal fan is stuck running for too long.

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.

Technical description

Heating mode – fan overrun error

Engineer required

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

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