In VMware vCenter Server 5.5, the Fan, Temperature and PSU Voltage sensors are relocated to the Other category in the Hardware Status tab.
To view the sensors:
- Log in to the vCenter Server using the vSphere Client.
- Click Host and Clusters.
- Select the host.
- Select the Hardware Status tab.
- Click Other to view information on any Fan, Temperature, or PSU Voltage sensors related to the select host.