• The Handheld Unit is not placed correctly in the Base.
  • The power cord is not plugged into the Base and/or wall correctly.
  • Debris may be blocking the end of the Handheld tip.


Remove and reinsert the Handheld Unit into the Base so it is seated securely. Check the power adapter is firmly inserted into the back of the Base. Follow instructions for plugging the power adapter into the wall and Base, making sure the power adapter is securely pushed into the slot on the back of the Base. The white light on the front of the Base must be illuminated in order for the Handheld Unit to calibrate. Follow the cleaning and disinfection process to ensure the bottom of the tip is clear of debris.

IFU 40-0004 v9