Lenovo ThinkSystem SR950 V3 - Lower Processor Board (MB) Leds

Table 18. System I/O board LEDs (continued)
LED
Description
Action
If the XCC heartbeat LED is always blinking slow for over 5
minutes, do the following:
1. Re-plug the power cord.
2. Check and ensure that the system I/O board and the
firmware and RoT security module are installed correctly.
(Trained technician only) Reinstall them if needed.
3. If the problem remains, contact Lenovo Support.
Lower processor board (MB) LEDs
The following illustrations show the light-emitting diodes (LEDs) on the lower processor board (MB).
Press the power button to light the LEDs on the lower processor board (MB) when the power source has
been removed from the server.
Figure 21. Lower processor board (MB) LEDs
Chapter 2. Server components 35