Troubleshooting Guidelines; Device Does Not Start - VeriFone M425 Installation Manual

Troubleshooting Guidelines

NOTE
CAUTION
Device Does Not
Start
Device Display
Does Not Show
Correct/
Readable Info
This chapter lists typical examples of malfunctions that you may encounter while
operating your device 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 device. 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 device 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.
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 device does not start:
•
Ensure that the device is plugged into a dedicated power source.
•
Check power cable connector is plugged in properly.
If the device display does not show correct/readable info:
•
Check all cable connections. If the problem persists, contact your local
Verifone representative for assistance.
for detailed power supply specifications)
M425 I
C 6
HAPTER
41
G
NSTALLATION UIDE