How to add fragrance essential oil to the scent machine? What should I pay attention to?

What is the method that should notice when adding essential oil in scent machine and note?
1. During working hours, the power switch must be turned off before the fragrance essential oil is added to the scent machine to avoid blowing out the fragrance essential oil due to air pressure.

2. Then loosen the bottle of fragrance essential oil and check whether the white rubber sealing ring at the contact part of the aluminum bottle of essential oil is deformed or damaged. If there is deformation or damage, the white rubber sealing ring must be replaced to ensure the seal, so as not to cause the leakage of fragrance essential oil due to poor sealing. After unscreamingthe bottle of fragrance essential oil of the perfumer, it is necessary to pay attention to the metal filter screen connected to the plastic straw of the fragrance atomizer not to touch dust or debris, and place it in a clean place to prevent the suction pipe from being blocked.

3. How to add fragrance essential oil: replace the empty bottle with a newly opened 500ML Arnoma fragrance essential oil, and tighten the bottle and jar of fragrance essential oil. (Note: If you buy another essential oil, you can pour it directly into an empty bottle and install it again, but make sure the bottle is clean.)
4. Turn on the power of the incense machine, start the machine and test for about 1 minute to confirm that the fragrance essential oil is tight and there is no leakage of the essential oil. If there is leakage, turn off the power to check whether the rubber ring sealing the fragrance atomizer and the fragrance bottle are tight, and retest and confirm that the seal is good.
5. At the back, make sure the power of the perfume expander is connected, keep the power unplugged, and finish adding essential oil to the perfume expander.
6. According to the operation manual of Arnomar perfumer, set the parameters such as fragrance concentration and fragrance expanding time to complete the setting.