20 Troubleshooting
The magnetic card reader does not respond
1
Make sure to swipe the card properly.
2
Perform a test transaction using one or more different magnetic cards to see if the
card in question is defective.
3
Manually process a transaction using the keypad instead of the card reader.
4
If the manual transaction does not work, check the telephone line.
The smart card reader does not respond
1
Make sure that the card is inserted correctly.
2
Perform a test transaction using one or more different smart cards to see if the card
in question is defective.
3
Make sure that the SIM card is properly installed in the SIM slot.
4
Manually process a transaction using the keypad instead of the card reader.
5
If the manual transaction does not work, check the telephone line.
The terminal will not dial out
1
Make sure that the telephone line is properly connected.
2
Check if the telephone lines are down by using a different telephone.
3
Check if the telephone line of the terminal is normal by testing it on a working
telephone.
4
If the telephone line proves defective, replace it with a new one.
5
If the problem persists, contact the local service representative.
The paper is jammed
1
Open the paper door.
2
Remove the damaged paper from the paper roll and clear the feed mechanism.
3
If the problem persists, it may be due to poor paper quality. Install a new, high-
quality paper roll.
Display
The display is not readable
1
Make sure that the terminal is properly connected to the power source.
2
Remove and reapply the input power to the terminal.
3
Make sure that the telephone line is properly connected
4
If the problem persists, contact the local service representative.