Alarm of ESXi host: [Device] Power Supply 30 PSU_Mismatch 0

Products

• VMware vSphere ESXi

Issue/Introduction

• ESXi generates alarm about hardware sensor:
  
  [Device] Power Supply 30 PSU_Mismatch 0
  
  
• Command 'localcli hardware ipmi sdr list -p -i -n all' on ESXi shows below sensor event that indicates the alarm caused by Power Supply Unit Mismatch:
  
  Node-Sensor  Description                                   Entity-Instance  Computed Reading        Base Unit              Raw Reading  Sensor Type
-----------  --------------------------------------------  ---------------  ----------------------  ---------------------  -----------  ------------
0.103        [Device] Power Supply 30 PSU_Mismatch 0       10.126           Configuration Error     sensor-discrete        64           Power Supply

Environment

VMware vSphere ESXi 8.x

Resolution

Contact host hardware vendor to check Power Supply Unit.