Appendix A Troubleshooting
Troubleshooting the Fan Module
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Troubleshooting the Fan Module
To isolate a fan module problem, follow these steps:
Step 1 Verify that the Fan LED on the fan module is green.
If the Fan LED is not lit, see the “Solving Problems at the Component Level” section on page
Step 2 If the Fan LED is red, the fan module is not seated in the backplane or has malfunctioned.
a.Loosen the captive installation screws, remove the fan module, and reinstall it to ensure that the fan module is seated properly.
b.Tighten all captive installation screws, and then restart the system.
If the Fan LED is still red, the system detects a fan module failure. Contact your customer service representative for instructions.
Troubleshooting Switching and Services Modules
To isolate a problem with a module in slot 2, follow these steps:
Step 1 Verify that all Status LEDs are on.
If the status LEDs on the interface module or the slot 2 module are red or off, the module might have shifted out of its slot.
Step 2 Reseat the module until both ejector levers are at 90 degrees to the rear of the chassis.
Step 3 Tighten the captive installation screws at the left and right of the module front panel.
Step 4 Restart the system.
If the Status LED on a module is orange, the module might be busy or disabled. Refer to the Cisco MDS 9000 Family Configuration Guide to configure or enable the interfaces. After the system
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