Supermicro SuperServer SYS-510T-WTR User Manual page 63

Power Ready LED
A Power Ready LED is located at LE6 on the motherboard. When this LED is green, all
onboard power VRMs are normal. See the table below for more information.
Embedded Controller LED
LEDEC1 is the Embedded Controller Hearbeat LED. When this LED is blinking green, the
EC is normal.
Power Ready LED Indicator
LED Color Definition
All onboard PWR VRMs
Green
are normal
One or more PWR VRMs
Red
has failed
Amber System in standby mode
EC Heartbeat LED Indicator
LED Color Definition
Blinking Green EC normal
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Chapter 4: Motherboard Connections