- Hewlett-Packard SAN Switch Installation Guide

LED name
LED color and
behavior
Description
Action required
failure, a fan failure, or one or
more environmental ranges has
exceeded.
Technical Support.
How to d etermine to replace the Power Supply/Fan Assembly Unit
Verifying if the Power Supply requires replacing:
• Check the Power Supply status LED next to the I/O switch. If the Power Supply
status LED is not on, verify that the Power Supply is on and seated and the power
cord is connected to a functioning power source. If the light does not turn green,
the Power Supply needs to be replaced.
• In Advanced Web Tools, click the Power Status icon.
• Type psShow at the command prompt to display Power Supply status as follows:
switch:admin> psshow
Power Supply #1 is OK
Power Supply #2 is OK
Verifying if the Fan Assembly requires replacing:
• Check the System Status LED. If the System Status LED is flashing amber and
green, it c ould mean the fan has failed. Check the management interface and
the error log for details on the cause of status.
• In Advanced Web Tools, check the Fan Status icon background color. It will be
either yellow or re d if the fan has failed. When the fan is functioning c orrectly,
the background color is green.
• Type fanShow at the command prompt to display fan status as follows:
switch:admin> fanshow
Fan 1 is OK, speed is 7105 RPM
Fan 2 is OK, speed is 7258 RPM
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Installing field-replaceable units