System Appearance
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2-5 Power Supply Unit LED
State
Description
Off No AC power to all power supplies
1Hz Green Blinking AC present / only standby on / Cold redundant mode
0.5Hz Amber/Green
Blinking Alternative
Power supply warning events where the
power supply continues to operate:
high temp, high power, high current, slow fan
Amber
Power supply critical event causing shut down:
failure, OCP, OVP, fan failure and UVP
1Hz Amber Blinking
AC cord unplugged or AC power lost; with a second
power supply in parallel still with AC input power