Table 17. Upper processor board (CPU BD) LEDs
LED
Description and actions
1 FPGA heartbeat LED
(Green)
• Blinking (about one flash per second): FPGA is working normally.
• On or off: FPGA is not working.
1. Replace the lower processor board (MB).
2. If the problem remains, contact Lenovo Support.
2 P5V_AUX status LED
(Green)
• On: P5V_AUX power is present.
• Off: P5V_AUX is not ready.
3 Power fault LED (Amber)
• Off: System normal.
• Blinking (about one flash per second): System fault occurred.
1. Check the power supply unit (PSU), power interposer board, and power
distribution board. If the PSU, power interposer board, or power distribution
board has any error, replace it.
2. If the PSU, power interposer board, and power distribution board is error free,
replace the upper processor board (CPU BD).
System I/O board LEDs
The following illustrations show the light-emitting diodes (LEDs) on the system I/O board.
Figure 20. System I/O board LEDs
Chapter 2. Server components 33
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