Troubleshooting

1. Could not connect to PC.

A. Make sure that the COM port number (for Windows) or TTY (for Linux and Mac OSX) appear when the device is connected. If the serial port is not recognized, then uninstall and then reinstall the driver. In some cases, you may need to reboot the PC after driver installation.

2. Could not detect type of card.

A. If card type is not detected, then the card may be password protected. In this case, the user may pro programmatically set the card type.

3. Could not NDEF format a card.

A. Card may have unknown password. To format the card, all password on the card should be reset to the default factory password.