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PSU Shows Error Reading FRU EEPROM on Both Nodes

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Applies to

  • AFF-A30

Issue

  • Alerts are observed on both nodes indicating a fault with one of the power supply units (PSUx -> can be PSU1 or PSU2).
  • System logs and AutoSupport reports show messages such as “Power supply not present,” “Power supply status critical,” “PSU mismatch detected,” and “Error reading FRU EEPROM.”

AutoSupport logs (EMS-LOG):

[1: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply x is degraded: PSUx In Pwr is Unreadable_x000D_
[1: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply x is degraded: PSUx Out Pwr is Unreadable_x000D_
[1: env_mgr: monitor.chassisPowerSupply.degraded:notice]: Chassis power supply x is degraded: PSU Mismatch is detected_x000D_
[xxxx01:env_mgr:monitor.chassisPowerSupply.degraded:notice]: Chassis power supply x is degraded: PSUxInVolt is Unreadable_x000D_
[xxxx01:env_mgr:monitor.chassisPowerSupply.degraded:notice]: Chassis power supply x is degraded: PSUxInCurr is Unreadable_x000D_
[xxxx01:env_mgr:monitor.chassisPowerSupply.degraded:notice]: Chassis power supply x is degraded: PSUMismatch is detected_x000D__

Command output (system controller environment show):

Node FRU Name State_x000D_
-----------------------------------------_x000D_
xxxxx101-01 PSU1 FRU ERROR_x000D_
xxxxx101-01 PSU2 FRU GOOD_x000D_
xxxxx101-02 PSU1 FRU ERROR_x000D_
xxxxx101-02 PSU2 FRU GOOD

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