Supermicro A+ Server AS -1015SV-WTNRT User Manual page 14

Power Supply Condition
No AC Power to Power Supply
Power Supply critical events causing a shutdown/ failure/
OCP/ OVP/ Fan Fail/ OTP/ UVP
Power Supply Warning Events Where the power supply
continues to operate; High temperature; Over voltage; under
voltage, etc.
AC present only 12 VSB ON (PS OFF)
Output ON and OK
One of the power cords unplugged and in redundant mode
Power Supply Indicators
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Chapter 1: Introduction
Green LED Amber LED
OFF OFF
OFF ON
OFF 1 Hz Blinking
1 Hz Blinking OFF
ON OFF
OFF ON