Hapter; Guidelines Terminal Display Does Not Show Correct/Readable Info - VeriFone VX 685 GPRS Installation Manual

Troubleshooting Guidelines
NOTE
CAUTION
Terminal Does
Not Start
Terminal Display
Does Not Show
Correct/
Readable Info
This chapter lists typical examples of malfunctions that you may encounter while
operating your terminal and the steps that you can take to resolve them.
The troubleshooting guidelines provided in the following sections are included to
assist successful installation and configuration of the terminal. Please read these
troubleshooting examples if you are having problems operating your unit. Contact
your local Verifone representative for assistance if the problem persists even after
performing the outlined guidelines or if the problem is not described.
The terminal comes equipped with tamper-evident labels. It 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. Contact
your local Verifone service provider for all other services. Service conducted by
parties other than authorized Verifone representatives may void any warranty.
Not all units require use of a power supply.
Use only a Verifone-supplied power pack. Using an incorrectly rated power
supply may damage the unit or cause it not to work properly. Ensure that the
power supply used to power the unit matches the requirements specified on the
back of the unit (see Specifications
before troubleshooting. If not, obtain the appropriately rated power supply before
continuing with troubleshooting.
If the terminal does not start:
•
Ensure that the smart battery charge state is not below the critically low level.
•
Recharge or replace the smart battery.
•
Ensure that you pressed the green ENTER/ON key for approximately four
seconds, until the unit lights up.
If the terminal display does not show correct/readable info:
•
Recharge or replace the battery.
•
Connect the terminal into a known-good power supply (if you have one) to see
if this clears the problem.
•
If the problem persists, Contact your local Verifone representative for
assistance if the problem persists.
for detailed power supply specifications)
VX 685/VX 690 I
C 6

HAPTER

45
G
NSTALLATION UIDE