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Troubleshooting 1. Q: Fingerprint cannot be verified.
A: Possible Causes: The following conditions could result in a
failed read.
1) Fingerprint is damaged or smooth
2) Finger is dry
Correction: Use 1:1 matching (see page 21). Moisturize finger.
Enroll a different fingerprint.
2. Q: Terminal fails to communicate.
A: Possible Causes:
1) The communication port configuration is not correct; insure
proper ports are connected.
2) Baud rate of the computer port and the terminal port are
different.
3) The terminal has failed to connect with the power source or
the computer;
4) The terminal is connected but failed to start.
5) The serial number of the linked terminal is not correct.
6) Data line or converter fails to communicate.
7) Failed computer COM port.
3. Q: The display does not work or parts of it do not work.
A: Possible Causes:
1) Motherboard is defective
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