Lenovo ThinkSystem SR670 V2 Maintenance Manual page 352

Table 28. System board LEDs description and actions (continued)
LED
PCIe slot 15 error LED
3
UEFI ROM heartbeat LED (green)
4
OCP error LED
5
Processor 1 error LED
6
DIMM 1-32 error LED (amber)
7
Fan 1-5 error LED
8
PCIe connector 1-12 error LED
9
Processor 2 error LED
10
Lightpath power LED
11
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Description and actions
LED on: an error has occurred to the PCIe slot the LED represents.
Complete the following steps:
1. Make sure the cable is connected to the appropriate downstream
PCIe riser, drive backplane, or OCP adapter.
2. Make sure both ends of the cable are securely seated in the PCIe
slots.
3. Replace the cable.
4. (Trained technician only) replace the system board. See "System
board replacement (trained technician only)" on page 214.
This LED indicated the UEFI ROM status:
• LED blinking: the UEFI ROM is in normal operation.
• LED off: the UEFI ROM is not loaded or in recovery.
LED on: an error has occurred to the OCP slot the LED represents.
Complete the following steps:
• Make sure the PCIe cable is connected to the appropriate
downstream PCIe slot 15-16 or PCIe connector 1-12.
• Make sure both ends of the cable are securely seated in the PCIe
slots.
• Replace the cable.
• (Trained technician only) replace the system board. See "System
board replacement (trained technician only)" on page 214.
LED on: an error has occurred to the processor the LED represents.
LED on: an error has occurred to the DIMM the LED represents.
LED on: an error has occurred to the fan the LED represents.
LED on: an error has occurred to the PCIe connector the LED
represents. Complete the following steps:
1. Make sure the cable is connected to the appropriate downstream
PCIe riser, drive backplane, or OCP adapter.
2. Make sure both ends of the cable are securely seated in the PCIe
slots.
3. Replace the cable.
4. (Trained technician only) replace the system board. See "System
board replacement (trained technician only)" on page 214.
LED on: An error has occurred to the processor the LED represents.
This LED indicates if there is sufficient power to lit the LEDs when light
path button is pressed while the system is not connected to the power.