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    4. : What to do if the internal air vent of the Smart 453 is obstructed?

What to do if the internal air vent of the Smart 453 is obstructed?
Years 2014-2022

Answer

If the Smart 453's internal air vent is blocked, it can be checked by gently removing it from its housing with a plastic spatula. Once we have removed it, we can remove protrusion and debris with a brush, or with a jet of compressed air; then it will be easy to put the nozzle back in its place, inserting it starting from the top and then pushing it in gently.
Posted on: 15 March 2023 by ScegliAuto

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