x460-48p error 5: fan failing / operational again over and over in the log


Userlevel 2
Hello, Has anyone seen these types of errors? We are seeing these in the log for both switches in a 2-switch stack. Is it really possible that 2 switches are having similar fan problems at the same time? 05/15/2015 10:39:17.80 Slot-2: Slot-2, Error 5: Fan #4 in slot 2 operational. Rpm 3485 is back to operating range (from 2320 to 8050 rpm). 05/15/2015 10:39:17.79 Slot-2: Slot-2, Error 5: Fan #3 in slot 2 operational. Rpm 3343 is back to operating range (from 2320 to 8050 rpm). 05/15/2015 10:39:17.77 Slot-2: Slot-2, Error 5: Fan #2 in slot 2 operational. Rpm 7336 is back to operating range (from 5120 to 16100 rpm). 05/15/2015 10:38:47.80 Slot-2: Slot-2, Error 5: Fan #1 in slot 2 operational. Rpm 15855 is back to operating range (from 5120 to 16100 rpm) 05/15/2015 10:38:18.65 Slot-1: Slot-1, Error 5: Fan #2 in slot 1 operational. Rpm 7228 is back to operating range (from 5120 to 16100 rpm). 05/15/2015 10:38:18.65 Slot-1: Slot-1, Error 5: Fan #1 in slot 1 operational. Rpm 7561 is back to operating range (from 5120 to 16100 rpm). 05/15/2015 10:38:17.78 Slot-2: Slot-2, Error 4: Fan #4 in slot 2 failed. Rpm 8057 is out of operating range (from 2320 to 8050 rpm). (X460- 05/15/2015 10:38:17.78 Slot-2: Slot-2, Error 4: Fan #3 in slot 2 failed. Rpm 8057 is out of operating range (from 2320 to 8050 rpm). (X460- 05/15/2015 10:38:17.77 Slot-2: Slot-2, Error 4: Fan #2 in slot 2 failed. Rpm 16384 is out of operating range (from 5120 to 16100 rpm). (X46 Any suggestions would be helpful. Thanks, Stan

13 replies

Userlevel 4
Stanley,

What is the physical status of the fan when the failure messages are occurring? What is the status of the fan LED? What version of EXOS? I would also suggest reaching out to GTAC so we can troubleshoot further and identify the issue.
Userlevel 7
Take a look at the following article to see if it addresses it....
http://gtacknowledge.extremenetworks.com/articles/Solution/Summit-X460-Fan-Failure
Userlevel 5
Hi Stan, the Fans in extreme Switches have an operating range as outlined in the errors you've posted. In the output below, Fan 4 attached to Slot 2 is spinning out of the optimal range (2320 - 8050 RPM), thus the error message
05/15/2015 10:38:17.78 Slot-2: Slot-2, Error 4: Fan #4 in slot 2 failed. Rpm 8057 is out of operating range (from 2320 to 8050 rpm). (X460- [/code] The fans will increase in RPM each time the internal temperature of the switch increases. You might want to find out what could be causing the temperature increase and rectify it, otherwise your fans are bound to fail if they spin out of range for an extended period.

If both stacked switches are in close proximity, that should explain why the errors are showing up on both
Userlevel 2
Joshua, I'm not physically at the location, so I'm having my site lead check the LED. The EXOS version is 12.5.4.5 patch 1-4.
Userlevel 4
Stanley,

Have these fans been recently pulled and reinserted? Were there any recent changes? Also please note that the recommended release for a Summit X460 is 15.5.3.4-patch1-5.
Userlevel 2
Joshua, No recent changes and the fans were not touched to my knowledge. Doug, Here is the output of my debug command: =======Environmental Data======== Fan Slot: 1 State OPERATIONAL Fan Part Info: Name: SerialNum: PartNum: Revision: 0.0 Flags: 0 FailureCode: 0 PowerOnDate: Wed Dec 31 19:00:00 1969 Fimware Rev: BuildTag: gridId: 0 Number of voltage line to monitor: 1 Volt: 12.00V Watts: 5.00W Fan#0: State: FAILED Location: Fan#1: State: FAILED Location: Fan#2: State: OPERATIONAL Location: Fan#3: State: OPERATIONAL Location: Odometer: not supported Temperature: 0 Celsius RpmLow 3500 RpmHigh 15500 Fan1: 7561 rpm Failed 0 FailedCount 0 Fan2: 7336 rpm Failed 0 FailedCount 0 Fan3: 3171 rpm Failed 0 FailedCount 0 Fan4: 3110 rpm Failed 0 FailedCount 0 Fan control period: 0 msec Desired temperature: 30 Fan Power Level: 0 errorSum: 0 biasGain: 0 Fan Slot: 2 State OPERATIONAL Fan Part Info: Name: SerialNum: PartNum: Revision: 0.0 Flags: 0 FailureCode: 0 PowerOnDate: Wed Dec 31 19:00:00 1969 Fimware Rev: BuildTag: gridId: 0 Number of voltage line to monitor: 1 Volt: 12.00V Watts: 5.00W Fan#0: State: OPERATIONAL Location: Fan#1: State: FAILED Location: Fan#2: State: FAILED Location: Fan#3: State: FAILED Location: Odometer: not supported Temperature: 0 Celsius RpmLow 3500 RpmHigh 15500 Fan1: 16384 rpm Failed 0 FailedCount 0 Fan2: 16384 rpm Failed 0 FailedCount 0 Fan3: 8057 rpm Failed 0 FailedCount 0 Fan4: 7927 rpm Failed 0 FailedCount 0 Fan control period: 0 msec Desired temperature: 30 Fan Power Level: 0 errorSum: 0 biasGain: 0 Fan Slot: 3 State EMPTY
Userlevel 2
Doug, Also, sh fan shows that they are operational: FanTray-1 information: State: Operational NumFan: 4 Fan-1: Operational at 7561 RPM Fan-2: Operational at 7447 RPM Fan-3: Operational at 3212 RPM Fan-4: Operational at 3072 RPM FanTray-2 information: State: Operational NumFan: 4 Fan-1: Operational at 7123 RPM Fan-2: Operational at 7561 RPM Fan-3: Operational at 3321 RPM Fan-4: Operational at 3461 RPM FanTray-3 information: State: Empty FanTray-4 information: State: Empty FanTray-5 information: State: Empty FanTray-6 information: State: Empty FanTray-7 information: State: Empty FanTray-8 information:
Userlevel 4
Stanley,

Thank you for that information. I would suggest calling into GTAC so we can open a service request and troubleshoot the issue further and determine a resolution.
Userlevel 2
ok, will do. Thank you very much for your time today. 🙂 Actually, one more question, are the fans in the x460 replaceable, or does the whole switch need to be replaced? I'm trying to plan my next steps.
Userlevel 4
Stanley,

The Summit X460 fans are modular and can be replaced.
Userlevel 2
Whew, no rebuilding of the stack then. That's good for me. 😉
Userlevel 2
Sorry to bring this up again, but I need to retrieve the fan serial numbers for GTAC. They suggested running sh fan det, but that doesn't show any serial numbers. Is there a different place I can check? Please keep in mind that I'm currently running XOS 12.5.4.5patch1-4. Thanks for any tips.
Userlevel 2
We got it. It is due to the version of XOS we are running there. We just pulled the fans and took pics of the serials. lol

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