Applies To: LaundryCard



Unable to open communications to bar code reader:  COM999

Possible Causes

This occurs when the X-Changer is not communicating properly with the bar code scanner.

  1. Scanner was not ready when LaundryCard started.
  2. Scanner unplugged.
  3. Scanner failure.
  4. Scanner cable failure.


  1. Restart LaundryCard applications
  2. Check Scanner cable connections V2 Wiring Diagram
  3. Swap scanner with other cabinet scanner
    1. if scanner still failing, scanner may need to be replaced.
    2. if scanner not failing, cable may need to be replaced.