Performing A Self-Test - Allen-Bradley MediaChecker 1788-MCHKR Manual

38
Maintenance

Performing a Self-Test

When the MediaChecker is on, it periodically tests some
of its internal circuits. If a problem is detected, the
MediaChecker displays the following message:
You can perform a more thorough self-test on DeviceNet,
DH+/RIO, and Ethernet functions as follows:
With the MediaChecker off, press and hold A
1.
while turning the rotary switch to TEST.
Press E until "SELF-TEST?" is displayed.
2.
Press C or D to select "YES".
3.
1788-UM002A-US-P – April 2000
Important: To exit without performing a self-test, either
Press E to activate the self-test program.
4.
You will be prompted to install the Cable ID. There
are two ways to install the Cable ID, each with
different results:
•
To run a self-test on DeviceNet and DH+/RIO
aan16f.eps
functions, connect a DB9-to-Mini/Micro male
adapter in series with a Mini/Micro female-to-DB 9
adapter. Use this series combination to connect
between the DB9 connector on the Cable ID and
the DB9 connector on the MediaChecker.
press A, or ensure that the second line is
displaying "NO" and press E to move to
the next setup selection.