PA-7050 fan tray Fault LED turns red when no fan failure reported

PA-7050 fan tray Fault LED turns red when no fan failure reported

3821
Created On 02/13/23 02:12 AM - Last Modified 08/22/24 03:08 AM


Symptom


  • PA-7050 fan tray Fault LED light turns red when no fan failure reported
  • There is no Fan Alarm reported in "show system environmentals"
fan LED
> show system environmentals

----Fan Tray----
Slot   Description                         Alarm    Inserted
 S4    Fan Tray #1 (Left)                  False    True
 S4    Fan Tray #2 (Right)                 False    True

----Fans----
Slot   Description                         Alarm     RPMs Min RPM
 S4    Fan #1.1 RPM                        False     3668  1500
 S4    Fan #1.2 RPM                        False     3647  1500
 S4    Fan #1.3 RPM                        False     3640  1500
 S4    Fan #1.4 RPM                        False     3673  1500
 S4    Fan #1.5 RPM                        False     3682  1500
 S4    Fan #1.6 RPM                        False     3648  1500
 S4    Fan #1.7 RPM                        False     3661  1500
 S4    Fan #1.8 RPM                        False     3636  1500
 S4    Fan #2.1 RPM                        False     6372  2000
 S4    Fan #2.2 RPM                        False     6237  2000
 S4    Fan #2.3 RPM                        False     6413  2000
 S4    Fan #2.4 RPM                        False     6182  2000
 S4    Fan #2.5 RPM                        False     6420  2000
 S4    Fan #2.6 RPM                        False     6235  2000
 S4    Fan #2.7 RPM                        False     6425  2000
 S4    Fan #2.8 RPM                        False     6199  2000

 
 


Environment


  • PA-7050
  • PAN-OS 10.1.6
  • Fan Tray Fault LED


Cause


Fan tray LED intermittently reporting FAULT during bootup



Resolution


  1. The issue is resolved under PAN-205590 in PAN-OS 10.1.9, 10.2.4 and 11.0.1 versions.
  2. Upgrade of the above will resolve the issue.
  3. A a workaround remove then re-insert the affected fan tray, the FAULT LED will turn off showing correct status.


Additional Information


How to Detect a Bad Fan or Fan Tray Failure



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    https://knowledgebase.paloaltonetworks.com/KCSArticleDetail?id=kA14u000000kGuICAU&lang=en_US&refURL=http%3A%2F%2Fknowledgebase.paloaltonetworks.com%2FKCSArticleDetail

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