Cisco Power Supply error

[Rosa Ladeira]

What does out of regulation limits means ?

1 red "OUTPUT FAIL," normally is off but illuminates when power supply outputs are out of regulation limits

Thanks

Rosa

[Jose Solano]

Hi,

Seet this:

LED	Meaning
INPUT OK	AC-input power supplies: •Green—Source AC voltage is OK. (Input voltage is 85 VAC or greater.) •Off—Source AC voltage falls below 70 VAC, is not present, or the PEM is turned off. DC-input power supplies: •Green—Source DC voltage is OK. (-40.5 VDC or greater.) •Off—Source DC voltage falls below -33 VDC or is not present at the PEM.
FAN OK	Green—Power supply fan is operating properly. Off—Power supply fan failure is detected.
OUTPUT FAIL	Red—Problem with one or more of the DC-output voltages of the power supply is detected. Off—DC-output voltages within acceptable margins. Note For proper operation of the OUTPUT FAIL LED, systems with single power supplies must be configured with a minimum of one fan tray and one supervisor engine. Systems with dual power supplies must have a minimum configuration of one fan tray, one supervisor engine, and one additional module. Failure to meet these minimum configuration requirements can cause a false power supply output fail signal.

This is for 6500 switches but apply to almost all models.

http://www.cisco.com/en/US/docs/switches/lan/catalyst6500/hardware/Chassis_Installation/Cat6500/0apwsply.html#wp1025570

Hope this helps.

[Rosa Ladeira]

Yes I have:

sh power

system power redundancy mode = redundant

system power redundancy operationally = non-redundant

system power total =     0 Watt

system power used =      1448.58 Watts (34.49 Amps @ 42V)

system power available = 0 Watt

                        Power-Capacity PS-Fan Output Oper

PS   Type               Watts   A @42V Status Status State

---- ------------------ ------- ------ ------ ------ -----

1    WS-CAC-6000W       2671.20 63.60  -      -      off

2    WS-CAC-6000W       2671.20 63.60  -      -      off

                        Pwr-Allocated  Oper

Fan  Type               Watts   A @42V State

---- ------------------ ------- ------ -----

1    WS-C6509-E-FAN      150.36  3.58  OK

                        Pwr-Requested  Pwr-Allocated  Admin Oper

Slot Card-Type          Watts   A @42V Watts   A @42V State State

---- ------------------ ------- ------ ------- ------ ----- -----

1    WS-X6148-GE-TX      103.74  2.47   103.74  2.47  on    on

2    WS-X6348-RJ-45      100.38  2.39   100.38  2.39  on    on

3    WS-X6148-GE-TX      103.74  2.47   103.74  2.47  on    on

5    WS-SUP32-10GE-3B    175.98  4.19   175.98  4.19  on    on

6    (Redundant Sup)       -     -      175.98  4.19  -     -

7    WS-X6148A-GE-45AF   112.56  2.68   112.56  2.68  on    on

8    WS-X6148A-GE-45AF   112.56  2.68   112.56  2.68  on    on

9    WS-X6548-GE-TX      125.16  2.98   125.16  2.98  on    on

                        Inline         Inline         Inline         Inline

                        Pwr-Requested  Pwr-Allocated  Local-Pwr-Pool Power

Slot Card-Type          Watts   A @42V Watts   A @42V Watts   A @42V Status

---- ------------------ ------- ------ ------- ------ ------- ------ ----------

2    WS-F6K-VPWR           6.30  0.15     6.30  0.15     -     -     On        

7    WS-F6K-48-AF        160.86  3.83   180.88  4.31     -     -     On        

8    WS-F6K-48-AF         90.72  2.16   102.06  2.43     -     -     On 

[Leo Laohoo]

1 red "OUTPUT FAIL," normally is off but illuminates when power supply outputs are out of regulation limits

Oh that!

I believe the PS's exhaust fan is "stuck".  Stick a stick (non-metalic) and poke it.  It should be fine.  Had done this several times when the room is dusty.

[Rosa Ladeira]

Sorry but i could not understand what and where i have to stick and poke

when you wrote PS's you meant both power supply

Rosa

[Leo Laohoo]

Each PS as two sets of fans.

One fan draws outside air in.  The other is an extraction fan.  I believe the PS with the red LED has the extraction fan stuck.

The extraction fan can easily be accessed.  It's the fan you will immediately see and hear when you turn on the power to the PS.  Look at the one that has the red LED on and make sure the fan is spinning and/or the amount of air being pushed out is the same "pressure" as the other functional one.

You will notice the grill of the fan?  Poke THERE.

[Rosa Ladeira]

Oh! thanks a lot.

Both Power Supply have red output led on.

I will poke them.

Hope it works fine.

Rosa

[Rosa Ladeira]

I have done the job, but unfortunately LED is still red.

I found these syslog message :

switches.log.0.gz:Jan  8 15:16:25 outside 68: 8w4d: %C6KPWR-SP-2-PSFAIL: power supply 2 output failed.

Jan  8 15:16:26 outside 69: 8w4d: %C6K_POWER-SP-4-GLITCH: Recovered from glitch in system power supply.

switches.log.1.gz:Jan  8 00:14:35 outside 61: 8w4d: %C6K_POWER-SP-6-NOLPP: Because of lack of system power, devices that require the system to power them on may not come up within one second.

Have you heard about them?

Rosa

[Leo Laohoo]

8w4d: %C6K_POWER-SP-6-NOLPP: Because of lack of system power, devices that require the system to power them on may not come up within one second.

I have seen not these.  It sounds like there's not enough input power to the power supply.  For example, some power supplies require to power feeds.  This alarm indicates that the power supply is getting only ONE power feed.

[Rosa Ladeira]

In this case there are 2 power feed.

[Leo Laohoo · Accepted solution]

In this case there are 2 power feed.

In your case, each PS should have two power feed but the alarm is saying there is "not enough power feed".  Could be low voltage on one of the power feed or one power feed isn't working.  You should see three green LED on if you have adequate power feed.