Blank Display; C Hapter - VeriFone VX 520-G Installation Manual

Troubleshooting Guidelines
NOTE
CAUTION

Blank Display

The troubleshooting guidelines provided in the following section are included to
assist you to successfully install and configure your VX 520-G terminal. If you
have problems operating your VX 520-G, please read through these
troubleshooting examples.
If the problem persists even after performing the outlined guidelines or if the
problem is not described below, contact your local VeriFone representative for
assistance. Typical examples of malfunction you may encounter while operating
your VX 520-G terminal and steps you can take to resolve them are listed.
The VX 520-G terminal comes equipped with tamper-evident labels. This terminal
contains no user serviceable parts. Do not, under any circumstance, attempt to
disassemble the terminal. 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 terminal or cause it not
to work as specified. Use only a VeriFone-supplied power pack with the correct
output ratings. Before troubleshooting, ensure that the power supply being used
to power the terminal matches the requirements specified on the bottom of the
terminal. (See Specifications
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 the battery status.
•
Check all cable connections and verify that the telephone line is properly
connected.
•
If the problem persists, contact your local VeriFone service provider.
for detailed power supply specifications.) Obtain the
C
HAPTER
VX 520-G I G
NSTALLATION UIDE
5
35