4
TROUBLESHOOTING
This chapter describes troubleshooting using the LEDs on the front panel of the system.
If the Power/Fault LED appears yellow at any time during the startup process, the bridge/router has encountered a problem during system test or system software load. If the Power/Fault LED appears yellow, check the other LEDs as shown in the following figure.
SuperStack II
NETBuilder
Console
Run
Status 
Load
Test
Fwd Power
SYSTEM /Fault
®
Status LEDs: (Left to right) is each one on or off? | If the Power/Fault LED appears yellow during startup, check |
Load LED: is it on constantly, or flashing? | the other LEDs for related indications of the problem. |
Test LED: Is it on or off? |
|
If the Test LED is lit, a problem occurred during the system test phase. Note the pattern of the Status LEDs and compare the results with the information in Table
If the Load LED is lit, a problem occurred during the system software load phase. Note the pattern of the Status LEDs and compare the results with the information in Table
