NOTE: Also please see BIOREGENE Nebulizer - Cleaning Tips.

1. REMOVE the end of the tubing, which is connected to the metal outlet on your Ozone Generator.
2. Turn your Ozone Generator "ON".
3. Listen to see if the Air Pump is operating. If you don't hear the Air Pump, the Air Pump is DEFECTIVE, but if you do hear the Air Pump, then
4. Put your finger over the metal outlet and see if you feel the Ozone/Air mixture coming-out of the outlet.
NOTE: You could also put your Nose up to the Outlet and see if you smell the odor of Ozone. If you don't feel and smell the odor of Ozone coming-out, the tubing inside of your Ozone Generator is either DISCONNECTED or DEFECTIVE, but if you do feel and smell the odor of Ozone coming-out, then
5. RECONNECT the end of the tubing again to the metal outlet.
6. DISCONNECT your Glass Nebulizer with the Needle Valve from the opposite end of the tubing.
7. Put your finger over the open end of the tubing and see if you feel the Ozone/Air mixture coming-out.
NOTE: You could also put your Nose up to this end and see if you smell the odor of Ozone coming-out. If you don't feel and smell the odor of Ozone coming-out, the tubing is DEFECTIVE, but if you do feel and smell the odor of Ozone, then
8. RECONNECT your Glass Nebulizer with the Needle Valve to the open end of the tubing.
9. Operate your Glass Nebulizer with the Needle Valve and see if you feel and smell the odor of Ozone/Oil mixture coming-out. If you don't feel and smell the odor of the Ozone/Oil mixture coming-out, the tubing is DEFECTIVE.
10. Look and listen and/or feel for a LEAK in the tubing, because there probably is a LEAK.