Lenovo ThinkSystem SR630 V4 - Page 52

1 Power-supply-unit LED (bi-color, green and yellow)
Status
Description
Blinking (yellow,
about one flash
per second)
The power supply unit is showing warnings, indicating over-temperature warning (OTW), over-
current warning (OCW), or a slow fan speed.
Off The server is powered off, or the power supply unit is not working properly. If the server is
powered on but the LED is off, replace the power supply unit.
System-I/O-board LEDs
The following illustrations show the light-emitting diodes (LEDs) on the system I/O board.
Figure 23. LEDs on the system I/O board
1 AP0 LED (green)
2 AP1 LED (green)
3 RoT fault LED (yellow)
4 System error LED (yellow)
5 System ID LED (blue)
6 XCC heartbeat LED (green)
7 SCM FPGA heartbeat LED (green)
Table 23. LEDs description
Scenario
1 AP0
LED
2 AP1
LED
3 RoT
fault
LED
7 SCM
FPGA
heart-
beat
LED
6 XCC
heart-
beat
LED Actions
RoT security module fatal
firmware failure
Off Off On N/A N/A Replace the system I/O
board.
Blink
N/A On N/A N/A Replace the system I/O
board.
Blink
N/A On On N/A Replace the system I/O
board.
42 ThinkSystem SR630 V4 User Guide