What to do if Kolibri Security Sensors unit does not read the bills or fails to detect counterfeit?
- MMark BoyerJul 28, 2025
If your Kolibri Security Sensors unit isn't reading bills or detecting counterfeits, turn off the unit, open the lid, and gently clean the interior sensors with an air duster or soft brush. Then, close the lid tightly and turn the unit back on.


