Troubleshooting The Power Supplies - Cisco 9134 - MDS Multilayer Fabric Switch Troubleshooting Manual

Chapter 4 Troubleshooting Hardware
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

Troubleshooting the Power Supplies

To isolate a power supply problem, follow these steps:
Step 1 Verify that the Input Ok LED on the power supply is green. If the Input Ok LED is green, the AC or DC
source is operational and the power supply is functional.
Step 2 If the Input Ok LED is off, first ensure that the power supply is flush with the chassis. Turn the power
switch off, tighten the captive screw(s), and then turn the power switch on (|). If the Input Ok LED
remains off, there might be a problem with the AC source or the DC source, or with the power cable.
a.
b.
c.
Repeat
Step 3
Choose Physical > Power Supplies on Device Manager or use the show environment power command
Step 4
to verify the status of your power supplies. (See
Example 4-1
switch# show environment power
-----------------------------------------------------
PS
-----------------------------------------------------
1
2
Mod Model
--- -------------------
3
4
5
Power Usage Summary:
------------------
Power Supply redundancy mode:
Total Power Capacity
OL-9285-05
Turn off the power to the switch by pressing or turning both power switches to 0, connect the power
cord to another power source if one is available, and turn the power on. If the Input Ok LED is now
green, the problem was the first power source.
If the Input Ok LED fails to light after you connect the power supply to a new power source, replace
the power cord and turn the switch on. If the Input Ok LED lights at this point, return the first power
cord for replacement.
If the Input Ok LED still fails to light when the switch is connected to a different power source with
a new power cord, the power supply is probably faulty. If a second power supply is available, install
it in the second power supply bay and contact your customer service representative for further
instructions.
If you purchased Cisco support through a Cisco reseller, contact the reseller directly. If you
Note
purchased support directly from Cisco, contact Cisco Technical Support at this URL:
http://www.cisco.com/warp/public/687/Directory/DirTAC.shtm
Step 1 if you have a second (redundant) power supply.
Output of show environment power
Model Power
(Watts)
DS-CAC-1900W 1019.34
DS-CAC-1900W 1019.34
Power
Requested Requested
(Watts)
-------
DS-X9016 220.08
DS-X9308-SMIP 210.00
DS-X9530-SF1-K9 220.08
Example 4-1.)
Power Status
(Amp @42V)
24.27 ok
24.27 ok
Power Power
Allocated Allocated
(Amp @42V) (Watts) (Amp @42V)
---------- --------- ----------
5.24 220.08
5.00 210.00
5.24 220.08
redundant
1019.34 W
Cisco MDS 9000 Family Troubleshooting Guide, Release 3.x
Troubleshooting Power Supply Issues
Power Status
----------
5.24 powered-up
5.00 powered-up
5.24 powered-up
4-7