Troubleshooting Guidelines; Blank Display; Terminal Does Not Dial Out - VeriFone Carbon Installation Manual

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Troubleshooting Guidelines

NOTE
CAUTION

Blank Display

Terminal Does
Not Dial Out
This chapter lists possible malfunctions that may occur while operating a Verifone
Carbon device and recommends appropriate corrective actions. If the problem
persists - even after performing the outlined guidelines, or if the problem is not
described, contact your local Verifone representative for assistance.
The unit comes equipped with tamper-evident labels. The reader contains no
user-serviceable parts. Do not, under any circumstance, attempt to disassemble
the unit. Perform only those adjustments or repairs specified in this guide. For all
other services, contact your local Verifone service provider. Service conducted by
parties other than authorized Verifone representatives may void any warranty.
Using an incorrectly rated power supply may damage the unit or cause it to not
work properly. Before troubleshooting, ensure that the power supply used to
power the unit matches the specified requirements (see
detailed power supply specifications). If not, obtain the appropriately rated power
supply before continuing with troubleshooting.
When the terminal display screen does not show correct or clearly readable
information:
Check terminal power connection.
Remove and reapply power to the terminal.
Check all cable connections and verify that the telephone line is properly
connected.
If the problem persists, contact your local Verifone service provider.
Use the following steps when the terminal does not dial out:
If you are using a telephone connection, check if the telephone line is plugged
correctly in the terminal port and in the telephone line socket.
Check that the telephone line is working by plugging it into a working
telephone and listening for a dial tone.
Replace the telephone cable that connects the terminal with a cable you know
is working correctly.
Verify that a modem profile is present. The modem will not function without a
modem profile.
C
HAPTER
Specifications
for
V
C
I
ERIFONE
ARBON
NSTALLATION
6
39
G
UIDE

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