Problem Isolation Procedures - NCR 5964 User Manual

5-2 Chapter 5: Service and Repair

Problem Isolation Procedures

Symptom
Keyboard not
working
MSR and External
Keyboard not
working
MSR not working
LCD Dim/Contrast
too Light or Dark
NCR offers both on-site and mail-in service for the NCR 5964. Before
calling for service or mailing in your unit for repair, step through the
problem isolation procedures below to make sure the Touch Screen
module is in need of repair. Also, your answers to these questions may
speed the servicing of your 5964.
The following table provides general troubleshooting tips for the 5964.
If you experience a problem with your 5964, please explore the possible
solution options in this table before replacing any component in the
system.
Probable Cause
Keyboard plugged into
PC or workstation
Keyboard not powered Check fuse in Touch Screen Module
Keyboard adapter
cable not connected
Wedge Controller
configured incorrectly
MSR card not oriented
properly
MSR harness loose or
broken
Wedge Controller
configured incorrectly
Unit is "cold"
Solution
Plug keyboard into Touch Screen Module
Connect keyboard adapter cable between
adapter card and PC keyboard port
Configure Wedge Controller using Wedge
Utility (See NCR Wedge Software User's Guide,
(BD20-1368-B)
Ensure that magnetic stripe on card is on the
left when swiped.
Ensure that MSR harness is securely fastened
to the MSR adapter board and none of the
wires have pulled loose from the connector.
Configure MSR operation using Wedge utility
(See NCR Wedge Software User's Guide,
BD20-1368-B)
Wait 15 minutes for unit to reach operating
temperature before measuring brightness or
contrast. Do not expose the unit to operating