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Cisco Bug: CSCus11637 - N7k PS alarm set even after recovery from input over voltage

Last Modified

Feb 13, 2018

Products (8)

  • Cisco Nexus 7000 Series Switches
  • Cisco Nexus 7000 10-Slot Switch
  • Cisco Nexus 7000 4-Slot Switch
  • Cisco Nexus 7700 6-Slot Switch
  • Cisco Nexus 7000 18-Slot Switch
  • Cisco Nexus 7700 18-Slot Switch
  • Cisco Nexus 7000 9-Slot Switch
  • Cisco Nexus 7700 10-Slot Switch

Known Affected Releases


Description (partial)

Power supply on Nexus 7700/7000 shows "Fail/Shut" but power supply works normally providing power.
From "show environment power detail" the following Register value is seen common on the affected power supply

"Reg4 bit1: Restarted successfully from Input Over-voltage"

1) This bug is specific to Input Over Voltage condition. This is not related to CSCty78612 or CSCtt38629
1) This issue will be seen only after the Power input is restored to normal voltage.
2) The "show environment power detail" output must show the following:
"Reg4 bit1: Restarted successfully from Input Over-voltage"
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Bug Details Include

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