Diagnostics

a.If continued operation without benefit of the PWR LED is acceptable to the customer, do not perform any repair action.

b.If continued operation without benefit of the PWR LED is not acceptable to the customer, remove and replace the switch.

29

Inspect the switch for indications of being powered on, such as:

At the front panel, an illuminated PWR or ERR indicator.

Green LEDs illuminated on the power supplies.

Audio emanations and airflow from fans.

Does the switch appear powered on?

YES NO

A power distribution problem is indicated. Go to step 23 to obtain event codes. If no event codes are found, go to "MAP 0100: Power Distribution Analysis" on page 2-26.

A faulty PWR LED is indicated, but Fibre Channel port operation is not disrupted.

a.If continued operation without benefit of the PWR LED is acceptable to the customer, do not perform any repair action.

b.If continued operation without benefit of the PWR LED is not acceptable to the customer, remove and replace the switch.

Exit MAP.

30

Is the ERR LED blinking?

YES NO

Go to step 32.

31

Unit beaconing is enabled for the switch.

a.Consult the customer and next level of support to determine the reason unit beaconing is enabled.

b.Disable unit beaconing.

1.At the Hardware View, right-click the front bezel graphic (away from a FRU). A pop-up menu appears.