A TROUBLESHOOTING
DIAGNOSING SWITCH INDICATORS
Table 15: Troubleshooting Chart
Symptom Action
PWR LED is Off
Check connections between t he switch, the power cord and
the wall outlet.

Contact your dealer for assistance.
Power LED is Amber
Internal power supply has failed. Contact your local dealer
for assistance.
DIAG LED Flashing
Yellow
Stack Master LED is
Flashing Amber
Stack Link LED is
Flashing Green/Amber
Power cycle the switch to try and clear the condition.
If the condition does no t clear, contact your dealer for
assistance.
The stack has not completed its initial configuration. Wait a
few minutes for the process to complete.
Check that all stacking cables are properl y connected.
The uplink/downlink has failed.
For the indicated stack link, chec k that the stacking cables
are properly connected. Replace the stacking cable if
neces sary (part numbers LGB6000SC-001 or LGB6000SC-004).
Power cycle the switch to try and clear the condition.
Link LED is Off
Verify that the switch and attached device are powe red on.

Be sure the cable i s plugged into both the switch an d
corresponding device.

If the switch is installed in a rack, check the connections to
the punch-down block and patch panel.

Verify that the proper cable type is used and its length does
not exceed specified limits.

Check the adapter on the attac hed device and cable
connections for possible defects. Replace the d efective
adapter or cable if nece ssary.
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