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Cisco 3650-24PS-S Switch showing FAN 1 is NOT PRESENT or FAULTY

abhishek68
Level 1
Level 1

We have a Cisco 3650-24PS-S switch and the switch is functioning fine. However when I run a show environment all command on the Switch I see the following error. However the FAN PS-1 is OK.

Switch 1 FAN 1 is NOT PRESENT or FAULTY

Switch 1 FAN 2 is NOT PRESENT or FAULTY

Switch 1 FAN 3 is NOT PRESENT or FAULTY

 

I am not able to understand if this is some kind of cosmetic bug for the switch. The switch is currently working on 03.07.05E IOS which is a stable version.

 

Below are the command output of show environment all and show log of the switch

 

Switch 1 FAN 1 is NOT PRESENT or FAULTY

Switch 1 FAN 2 is NOT PRESENT or FAULTY

Switch 1 FAN 3 is NOT PRESENT or FAULTY

FAN PS-1 is OK

FAN PS-2 is NOT PRESENT

Switch 1: SYSTEM TEMPERATURE is OK

SW  PID                 Serial#     Status           Sys Pwr  PoE Pwr  Watts

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

1A  PWR-C2-640WAC             OK              Good     Good     640 

1B  Not Present       

 

Show log after reboot has following errors:

 

 %PLATFORM_THERMAL-6-FRU_FAN_OIR: Switch 1: System fan 2 inserted

Jun  8 00:39:44.793: %PLATFORM_THERMAL-1-FRU_FAN_FAILURE: Switch 1: System fan 2 failed

Jun  8 00:39:46.799: %PLATFORM_THERMAL-6-FRU_FAN_OIR: Switch 1: System fan 2 removed

Jun  8 00:39:46.800: %PLATFORM_THERMAL-1-FRU_FAN_NOT_PRESENT: Switch 1: System fan 2 not present

%PLATFORM_THERMAL-6-FRU_FAN_OIR: Switch 1: System fan 1 inserted

Jun  8 00:40:56.404: %PLATFORM_THERMAL-1-FRU_FAN_FAILURE: Switch 1: System fan 1 failed

Jun  8 00:40:58.410: %PLATFORM_THERMAL-6-FRU_FAN_OIR: Switch 1: System fan 1 removed

Jun  8 00:40:58.410: %PLATFORM_THERMAL-1-FRU_FAN_NOT_PRESENT: Switch 1: System fan 1 not present

Jun  8 00:41:00.414: %PLATFORM_THERMAL-6-FRU_FAN_OIR: Switch 1: System fan 3 inserted

Jun  8 00:41:00.414: %PLATFORM_THERMAL-1-FRU_FAN_FAILURE: Switch 1: System fan 3 failed

Jun  8 00:41:01.992: %ILPOWER-5-POWER_GRANTED: Interface Gi1/0/19: Power granted

Jun  8 00:41:02.419: %PLATFORM_THERMAL-6-FRU_FAN_OIR: Switch 1: System fan 3 removed

Jun  8 00:41:02.419: %PLATFORM_THERMAL-1-FRU_FAN_NOT_PRESENT: Switch 1: System fan 3 not present

 

Can anyone suggest on what could be the issue?

Why am I getting such logs and the FAN error on the Switch?

 

5 Replies 5

marce1000
VIP
VIP

 

 - This could be a 'flapping hardware' problem but difficult to determine as such; perhaps by audio-observing and listening to the fans (cumbersome).

M.



-- Each morning when I wake up and look into the mirror I always say ' Why am I so brilliant ? '
    When the mirror will then always repond to me with ' The only thing that exceeds your brilliance is your beauty! '

Perhaps that can be done but still FAN PS-1 is showing OK and the switch is functioning properly. 

The FAN PS-1 is OK and Switch 1 FAN is showing Not Present or Faulty is still a mystery.

Leo Laohoo
Hall of Fame
Hall of Fame
Try first to upgrade the firmware.

The IOS is upgraded to the latest version. So we have already mitigated that it is not a IOS related issue.

Then contact Cisco TAC and get the unit RMA-ed.
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