clair B1BU0533, User Manual, Page: 7 / 17

Checklist before repair requesting
Symptoms Checklist and measures
It doesn’t operate.
It makes noise.
It smells.
Is USB cable inserted in to the product properly?
Is power plug like adapter or cigar jack plugged correctly
into wall outlet (or car cigarette lighter socket)?
▶ Plug USB cable into the product or power supply properly?
It the product shaking not fixed properly?
Is there any object around the product obstructing airflow or
on the product?
▶ Please install the product on flat floor.
Isn’t the outlet or inlet dirty?
▶ Remove contaminants around outlet, inlet and filter.
If not improved, replace the filter with new one.
Is it used on the room with strong smell?
▶ If it is used at the place with strong smell of smoking or
baking meat for a long time, you need to replace the filter
in the short term. We recommend that you ventilate the room regularly.