MX 800 SERIES TROUBLESHOOTING GUIDE 1
CHAPTER 1
Troubleshooting
During normal, day-to-day operation of your MX 800 Series terminal, it is possible
for minor malfunctions to occur. Following are some examples of possible
problems, and steps to resolve them.
VeriFone follows stringent quality control standards in the manufacture of
MX 800 Series terminals. Each unit that leaves the factory has been rigorously
tested to ensure quality and reliable operation. However, should you encounter a
problem in operation, read this section for possible causes and solutions.
The troubleshooting guidelines provided in this section identify various problems
and suggest the appropriate corrective action(s). If you have problems operating
your MX 800 Series terminal, please read through these troubleshooting
examples. If the problem persists, or if it is not described below, contact your local
VeriFone representative for assistance.
Display is Blank If the terminal display is dark, touch the screen with the stylus or your finger. If the
unit was in screen-saver mode, the screen will turn on when touched.
If the display does not show correct or readable information, check all cable
connections. If the problem persists, contact your local VeriFone representative
for assistance.
Display is Lit But
Does Not Respond
The following sections provide corrective steps if the terminal display is lit but the
unit does not respond to touch or register commands.
To aid future analysis, record what screen image is displayed and any preceding
actions or unusual conditions, such as:
• First transaction of the day
• Power fluctuations or storms
• Transactions in process when the problem occurred
• Other actions or conditions
Perform only the procedures specified in this guide. For all other services, contact
your local VeriFone distributor or service provider. Service conducted by parties
other than authorized VeriFone representatives may void the product warranty.
Each MX 800 Series terminal is equipped with tamper-evident labels. Do not,
under any circumstances, attempt to disassemble the terminal.
(2 pages)
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