1256 User Manual
Racal Instruments
©
2002
Appendix C-1
Appendix C
TROUBLESHOOTING
How to Use this
Section
If you have difficulty using the 1256 Switching System, refer to
the
following
troubleshooting tables. If you are still unable to
resolve the problem, contact the Racal Instruments Customer
Support Department (refer to
Chapter 9, PRODUCT
SUPPORT
).
Power-Up
PROBLEM
POSSIBLE CAUSES
WHAT TO DO
•
Not connected to proper
power source.
•
Make sure that the 1256 is
connected to a live power
source, using a functional
power cord. For input power
requirements, see
Chapter 2,
Getting Started
, under the
heading
Main AC Power
.
Unit does not turn on (fan not
running, blank display, and
no indicator lights).
•
Fuse missing, blown, or
incorrectly installed.
•
Check fuse, verifying that it has
the required capacity as
marked on the 1256 rear panel.
Make sure the fuse is properly
installed (see
Chapter 2,
Getting Started
, in
Figure 2-1,
Changing Fuse for Main AC
Power
).
