VX 820 DUET REFERENCE GUIDE 27
CHAPTER 6
Troubleshooting
Guidelines
The troubleshooting guidelines provided in the following section are included to
assist you to successfully install and configure your VX 820 DUET. If you have
problems operating your VX 820 DUET, 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 820 DUET device and steps you can take to resolve them are listed.
The VX 820 DUET comes equipped with tamper-evident labels. The device
contains no user serviceable parts. Do not, under any circumstance, attempt to
disassemble the device. 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 warranty.
Use only a VeriFone-supplied power pack. Using an incorrectly rated power
supply may damage the device or cause it not to work as specified. Before
troubleshooting, ensure that the power supply matches the requirements
specified at the bottom of the device. (See Specifications for detailed power
supply specifications.) Obtain the appropriately rated power supply before
continuing with troubleshooting.
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