If the Hub Fault LED Stays on After Self-Test

If the hub Fault LED stays on after the self-test is complete, find the symptom that best describes the situation, then attempt the solution. When more than one solution is possible, the most likely one is listed first.

Symptom

Cause/Solution

 

 

 

The host can access devices, but

–

One or more fans are faulty. Replace the fan module.

the hub Fault LED stays on after

 

Although the module will continue to run with two fans, a

self-test.

 

full complement of fans ensures system and data integrity.

 

– The hub is experiencing an internal temperature or

 

 

memory fault. Replace the hub.

 

 

 

The host cannot access devices,

–

The hub is faulty. Replace the hub.

and the Fault LED stays on after

 

 

self-test.

 

 

 

 

 

Troubleshooting

If the Hub Fault LED Stays on After Self-Test

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