Medium
S.32 on Vaillant ecoTEC Pro 30

Your boiler is temporarily pausing because it detected that the internal fan responsible for moving air is not spinning at the exact speed it expects.

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

Waiting period because of fan speed deviation

From this model's manual
Verified against the Vaillant Ecotec Pro 30 installation & service manual, page 35.
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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