Points to Check

1. Check that the data cable is plugged in to the base correctly and securely, and that the other end is plugged in to the POS terminal correctly
   
2. Try cleaning the contacts on the base and the scanner before trying to charge the scanner again
   
3. Check that the power supply is plugged in to the base correctly, and plugged in and powered on at the wall socket
   

Charging Base Lights

If the scanner won't charge at all, below is a guide to what the lights mean on the charging base: