Locate a Faulty Power Supply

You must determine which power supply is faulty before you replace it.

1. Consider your first step.
   • If you are at the switch, go to Step 2.
   • If you are remote to the switch, go to Step 4.
2. Check to see if the Service Action Required LED is on.

   See Chassis Status LEDs.

3. Visually inspect the power supply LEDs to see which LEDs are on.

   See Power Supply LEDs.

   ---

   Note -  If an LED is on, you can see it through the air duct assembly.

   ---

   • If a power supply is faulty, replace it.

     Start at Remove the Air Duct Assembly.

   • If you cannot determine if a power supply is faulty, go to Step 4.
4. Access the Oracle ILOM CLI.

   See Accessing the SP.

5. Determine if a power supply has become problematic.

   -> show /System/Open_Problems
   Open Problems (1)
   Date/Time                 Subsystems          Component
   ------------------------  ------------------  ------------
   Thu Dec 17 05:17:11 2015  Power               PSx (Power Supply 1)
    fault.chassis.device.psu.fail (Probability:100, UUID:b516a939-23c2-ee8b-e997-d915ca03d044, Resource:/SYS/PSx, Part
    Number:7065505-01, Serial Number:C92517, Reference Document:http://support.oracle.com/msg/---)
   ->

   where x is 0 or 1.

   • If you see psu and Oracle ILOM target /SYS/PSx in the output, then replace that power supply.

     Start at Remove the Air Duct Assembly.

   • If you see a different component identified in the output, then service that component.

     See Open Problem Faults and Oracle ILOM Legacy Target Replaceable Components.

6. Display the health status of the power system.

   -> show /System/power -t health
   Target                                       | Property   | Value 
   ---------------------------------------------+------------+------
   /System/Power                                | health     | OK
   /System/Power/Power_Supplies/Power_Supply_0  | health     | OK
   /System/Power/Power_Supplies/Power_Supply_1  | health     | Service Required
   ->

   If any power supply's health has a value other than OK, replace that power supply. Start at Remove the Air Duct Assembly.

7. Within the Oracle ILOM interface, display the fault state of the power supplies.

   -> show /SYS -t fault_state
   Target             | Property              | Value 
   -------------------+-----------------------+-------
   /SYS               | fault_state           | OK
   .
   .
   .
   /SYS/PS0           | fault_state           | OK
   /SYS/PS1           | fault_state           | Faulted
   /SYS/SP            | fault_state           | OK
   ->

   In the output, look for the rows beginning with /SYS/PS.

   If any power supply's fault state has a value other than ok, replace that power supply. Start at Remove the Air Duct Assembly.

8. If you are unable to determine if a power supply is faulty, seek further information.

   See Detecting and Managing Faults.

Related Information

• Power Supply LEDs

• Remove a Power Supply

• Install a Power Supply

• Verify a Power Supply