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User's Manual Part 4

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TROUBLESHOOTING AND SERVICE
Troubleshooting
O
MNI 3600 REFERENCE MANUAL 121
Serial Port Does
Not Work
1 The serial port on the back panel of the base station is identified by the
“RS232” icon. Check that the device connected to the serial port has power
and is functioning properly. If possible, perform a self-test on the device in
question.
2 The cable connecting the optional device to the base station serial port may
be defective. Try a different serial cable.
3 If the problem persists, contact your local VeriFone representative for
assistance.
Terminal Does Not
Process
Transactions
There are several possible reasons why the terminal may not be operating
properly or processing transactions. To check the most likely causes, follow the
steps below.
Step 1: Check the magnetic card reader
1 Test the magnetic card reader as described in System Mode Menu 5 in
Chapter 3.
2 Perform a test transaction using several different magnetic stripe cards to
ensure the problem is not a defective card.
3 Make sure you are swiping cards properly. With the Omni 3600 card reader,
the black, magnetic stripe on the card should face down, away from the
keypad.
4 Process a transaction manually using the keypad instead of the card reader. If
the manual transaction works, the problem may be a defective card reader.
Contact your VeriFone distributor or service provider.
5 If the manual transaction does not work, proceed to Step 3.
Step 2: Check the smart card reader
1 Perform a test transaction using several different smart cards to ensure the
problem is not a defective card.
2 Make sure you are inserting the cards properly. With the Omni 3600 smart
card reader, the chip on the card should face down and inward.
3 Ensure the MSAM cards are properly inserted and the cardholders are
properly secured as described in Install/Replace MSAM Cards in Chapter 1.
4 Process a transaction manually using the keypad instead of the card reader. If
the manual transaction works, the problem may be a defective card reader.
Contact your VeriFone distributor or service provider.
5 If the manual transaction does not work, proceed to Step 3.