User's Manual

Installation Manual 39
Trans acti ons c anno t be completed successfully
1. Try to perform the transaction using a different magnetic or smart
card (model-dependent).
2. Make sure you have inserted or swiped the card in the proper
manner.
3. Attempt to complete several transactions manually using the
terminal keypad instead of using customer cards.If all these
transactions are completed successfully, contact an authorized
service representative.
4. If a manually performed transaction is not completed successfully,
verify that the wireless transmission quality is sufficient to
complete the transaction. Try changing your location to obtain
improved transmission quality.
5. If the problem persists, contact an authorized service
representative.
Wireless communication is disrupted
or cannot be established
1. Try moving the terminal to a more open operating area. An
enclosed area degrades the quality of wireless reception and
transmission.
2. Verify that the SIM card being used for wireless communication is
installed correctly and is not damaged or malfunctioning.
3. In general, the angle of operation does not affect terminal
performance. However, for optimal usage, hold the terminal at an
angle not exceeding 30
°.
4. If the problem persists, contact an authorized service
representative.