Troubleshooting a Routing Engine Failure
During Power-On Self-Test
When a routing engine failure occurs during the power-on self-test, as
indicated by the LED pattern shown for that failure in table 3-1:
1. If, at the end of the self-test any of the first four routing engine
utilization LEDs is lit (but none of the others is lit), replace the
routing engine. (All of the routing engine utilization LEDs are lit at
the beginning of the self-test.)
2. Connect a console to the router, with the PC or terminal set to 9600
baud.
3. Switch the router power off and on.
4. If an error message appears on the console, use the procedure in
table 3-4.
Table 3-4. Error Messages for a Routing Engine Failure
Error Diagnostic Tips
Code DRAM refresh test failed, mask
XXXXXXXX.
The routing engine is faulty.
Console port break bit is stuck on.
1. Turn the power on and off.
2. If this error message appears again, refer to
“Troubleshooting a Terminal or Modem Connection,” page
3-14.
Debug port break bit is stuck on. The routing engine is faulty.
Failed SCC interrupt test, errcode X.
(where X = 1 - 3)
The routing engine is faulty.
Flash CRC error. The flash card or the routing engine may be faulty; call for
service from your HP dealer or service provider.
Flash doesn’t seem to be installed.
1. Verify that the flash card is properly installed (refer to
“Replacing the PCMCIA Flash Card,” page 3-31).
2. If the flash card is installed properly, the routing engine is
faulty; call for service from your HP dealer or service provider.
Troubleshooting
Identifying a Bad Component
3-12
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