Table of Contents
Advertisement
Checking the result of the DTC self-test
When a DTC is switched on it runs a hardware self-test. Some errors which occur
during the self-test are recoverable, while others are not. For example, errors 6X,
7X, 8X, 90, AX, and BX are Serial Interface Card or Connector Card errors for
DTC 16s and DTC 48s. These are recoverable errors. If they occur, one or more
ports of the DTC may not operate, but the self-test can complete successfully and
the DTC will be downloaded.
The following steps describe how to ensure that the DTC has correctly passed its
self-test and what action to take if the self-test indicates any problems.
1 Switch off the DTC and switch it on again. On the DTC 16TN you must
2 Use the summary of the display codes and their meanings (located either inside
3 If the DTC passes its self-test, go to the next stage of troubleshooting, "Checking
4 If the DTC does not pass the self-test, take the following steps.
5 If the DTC does pass the self-test, but some errors were indicated, take the
disconnect the power cord and plug it in again.
the front cover of the DTC or underneath on a pull-out card) to interpret the
front-panel display.
Refer to the DTC hardware manual for a more detailed explanation of the codes
displayed on the DTC.
the DTC download".
a
Ensure that the DTC cards are correctly fitted in their slots.
b Ensure that the LAN cable is connected to the DTC.
c
Use the dtclist command to display the DTC events during the self-test. The
command dtclist is described in chapter 14.
d If you cannot solve the problem, call your Hewlett-Packard representative.
following steps.
a
Identify any faulty boards or ports and avoid using them for connections until
you can replace the board.
b If you cannot solve the problem, call your Hewlett-Packard representative.
Checking the result of the DTC self-test
15
177
Advertisement
Table of Contents
