1. Log in to the baseboard management controller (BMC) web user interface (WebUI). "No Signal" is displayed on the keyboard, video, and mouse (KVM).
2. Alarms indicating "Sensor access degraded or unavailable,#13/17" are displayed on the BMC WebUI, as shown in Figure 1.
Figure 1 Alarms on the BMC WebUI
3. For the BH620, sensors #13 and #17 indicate the temperature sensors of CPU 1 and CPU 2 respectively.
4. On the BMC WebUI, choose System Information > Temperature Monitoring. The sensor scanning status of CPU 1 and CPU 2 is Disabled, as shown in Figure 2.
Figure 2 Sensors