Led Indicators - Supermicro SuperServer SYS-E302-12D-4C User Manual

4.5 LED Indicators

Power LED
LED1 is the Power LED. When this LED is lit, power is present on the motherboard. In suspend
mode, this LED will blink on and off. Turn off the system and unplug the power cord before
removing or installing components.
Overheat/PWR Fail/Fan Fail LED
LED3 is the Overheat, Power Fail, and Fan Fail LED.
BMC Heartbeat LED
LEDM1 is the BMC heartbeat LED. When the LED is blinking green, BMC is functioning
normally. Refer to the table below for the LED status.
Power LED Indicator
LED Color Definition
System Off
Off (power cable not
connected)
Green System On
Overheat/Power Fail/Fan Fail LED
LED Color Definition
Solid Red System Overheat
Blinking Red PWR Fail or Fan Fail
BMC Heartbeat
LED Indicator
LED Color Definition
Green: Blinking BMC Normal
49
Chapter 4: Motherboard Connections