CHAPTER 4
Troubleshooting
During normal,
VeriFone follows stringent quality control standards in the manufacture of MX800 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.
CAUTION 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 MX800 Series terminal is equipped with
The troubleshooting guidelines provided in this section identify various problems and suggest the appropriate corrective action(s). If you have problems operating your MX800 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 does not show correct or readable information, check all cable connections. If the problem persists, contact your local VeriFone representative for assistance.
Serial Port Does Not Work
The following are the corrective steps to be taken if the serial port does not work.
1Check whether the device connected to the serial port of the multiport cable of the MX800 Series terminal has power and is functioning correctly. If possible, perform a
2The cable connecting the optional device to the MX800 Series terminal’s serial port may be defective. Try a different serial cable.
3If the problem persists, contact your local VeriFone representative for assistance.
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