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Controller encountered persistent hardware errors - OE: Operational Error L3: Persistent hardware errors

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Last Updated:

Applies to




  • One or both controllers could have 7-segment code: OE L3
  • Installation of feature pack to change the HIC to NVMe mode on E57xx or EF570 controllers

Note: This feature pack can be applied to controllers running less memory than 32 GB. 

  • The following message can be seen during Start-Of-Day (SOD) output: 


cmgr::CtlrLockdown::detectInsufficientMemory(): NVMeoF lockdown due to less than 32 GB of memory 



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