Lenovo System x3650 M5 Installation And Service Manual page 50

System-board LEDs
The following illustrations show the light-emitting diodes (LEDs) on the system board.
SD adapter
error LED
Slot 5 error LED
DIMM 7-18
error LED
System board LED
Microprocessor 2
error LED
DIMM 19-24
error LED
Fan 6
error LED
Figure 37. System-board LEDs
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Lenovo System x3650 M5 Installation and Service Guide
System error
LED
Fan 5 Fan 4 Fan 3
error LED error LED error LED
Locator Power
button / LED LED
Fan 2 Fan 1
error LED error LED
IMM heartbeat LED
Slot 4 error LED
Microprocessor
mismatch LED
Battery error LED
Microprocessor 1
error LED
DIMM 1-6
error LED