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FAS2820 Controller fault LED ON without any hardware errors

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fas-systems
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hw
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Applies to

  • FAS2820
  • ONTAP 9.13.1

Issue

  • Controller fault LED ON.
  • Check sysconfig -a slot 2 Flash Cache status is ok, and FW is the latest version.
  • event log show No error message about Flash Cache.
  • In the SP-LATEST-RUNTIME log, ID 13 LED  is on.

tag  origin  fld                                 fault reason                 count  time                    
---- ------- ----                                -------------                ------ -----                    
1    bios    /chassis-1/controller-a/pcie-2     - Expected x4, actual x1      1      Sun Aug 24 14:43:26 2025

Fault Lights On:
             /chassis-1                                                       1    
             /chassis-1/controller-a                                          1    
             /chassis-1/controller-a/pcie-2                                   1    
FRU LEDs status
======================
FRU LED ID 1    Controller Locate LED
FRU LED ID 2    System Attention LED
FRU LED ID 3    Controller Attention LED
FRU LED ID 4    Controller Active LED
......
FRU LED ID 13    NVME 1 Attention LED

led 1 is off
led 2 is on
led 3 is on
led 4 is on
......
led 13 is on

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