HP 316095-B21 - StorageWorks Edge Switch 2/24 Service Manual page 36

Diagnostics
23
Is the power LED (green) at the switch front bezel illuminated?
NO YES
Go to
24
Is the switch connected to facility AC power and powered on?
NO YES
Go to
25
Connect the switch to facility AC power. Inspect the switch for indications of being
powered on, such as:
• At the front bezel, an illuminated power LED (green) or system error LED
(amber).
• Audio emanations and airflow from cooling fans.
Does the switch appear powered on?
YES NO
A power distribution problem is indicated. Go to
codes. If no event codes are found, go to
Analysis on page
26
Is the power LED (green) at the switch front bezel illuminated?
NO YES
Go to
A faulty power LED is indicated, but switch and Fibre Channel port operation is not
disrupted. The LED is connected to the circuitry in a fan module, and the module must
be removed and replaced (See
MAP.
2–16
step 28.
step 27.
2-27. Exit MAP.
step 28.
RRP 2: Redundant Power Supply on page
step 21 to obtain event
MAP 0100: Power Distribution
edge switch 2/24 service manual
4–5.) Exit