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System Appearance - 24 -
2-5 Power Supply Unit LED
PSU LED
State Description
OFF No AC power to all power supplies
0.5Hz Green Blinking AC present / only standby on / Cold redundant mode
2Hz Green Blinking 
Amber
AC cord unplugged or AC power lost; with a second
power supply in parallel still with AC input power
Power supply critical event causing shut down:
failure, OCP, OVP, fan failure and UVP
0.5Hz Amber Blinking
Power supply warning events where the
power supply continues to operate:
high temp, high power, high current and slow fan
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