Grunluft VK-6010, Руководство пользователя

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3) Clean the air quality sensor ,the dust inlet and
the dust outlet with a lightly moistened cotton swab.
4) Dry them with a dry cotton swab.
5) Reattach the air quality sensor cover.
5.3 Pre-filter
Note:
Only the pre- filter is washable, it has no replacement indicating light.
Clean the Pre-filter 30 days once, ensure your air purifier running at optimal
performance.
1) Switch off the appliance and unplug it. (a)
2) Place your fingers on the sign of back
cover at both sides, press down and open the
back cover. Then lift the hooks at the bottom
of the cover out of the bottom of the appliance.
Then lift the hooks at the bottom of the cover
out of the bottom of the appliance. (b)
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