24
Troubleshooting
This appendix provides information for troubleshooting the router.
NOTE:
•
The barcode on the router chassis contains product information that must be provided to HP Support before
returning a faulty router for service.
• The HP tamper-proof label attached to a mounting screw on the router chassis must be kept intact. Before
opening the chassis cover, contact HP Support for authorization; if you do not, you take full responsibility for all
operation and maintenance failures.
Power supply failure
Power LED is off
If the router cannot be powered on and the power LED on the front panel is off, it indicates that the power
supply is faulty.
To troubleshoot the power supply:
1. Power off the router.
2. Verify that the router's power cords are connected firmly.
3. Verify that the power source is operating properly.
4. Determine if the power cord is damaged.
If the problem persists, contact HP Support.
System configuration problems
If the configuration environment setup is correct, the console terminal displays boot information when the
router is powered on. If the setup is incorrect, the console terminal displays nothing or garbled text.
No terminal display
If the console terminal displays nothing when the router is powered on, follow these troubleshooting steps:
1. Check the following items:
{ The power supply system is working properly.
{ The console cable is connected properly.
{ The console cable is connected to the serial port that is configured for the console terminal.
{ The console terminal properties are set to the following: Bits per second: 9600, Data bits: 8,
Parity: None, Stop bits: 1, Flow control: None, and Terminal Emulation: VT100.
{ The console cable is working properly.
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