Ensure that the device is at least 3ocm away from walls/any obstruction. There should also be a power source.
Ensure that the barrel is inserted correctly, and it is in "lock" mode.
Keep away from children & pets.
There is no need to purchase additional parts for the Smart Cara PCS350. Upon your first purchase, the barrel and a pair of filters is already included in the device.
There is a 1 year warranty for the Smart Cara machines. It does not cover mishandling of the unit.