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2-6
Power Supply Unit (PSU) LED
State
OFF
0.5Hz Blink GREEN
2Hz Blink GREEN
Amber
0.5Hz Blink Amber
System Appearance
Indicates no AC power to all power supplies
Indicates AC present/ only standby on/ Cold redundant mode
Indicates power supply firmware in updating mode
Indicates AC cord unplugged or AC power lost; with a
second power supply in parallel still with AC input power
Indicates power supply critical event causing shut down:
failure, OCP, OVP, Fan Fail, UVP
Indicates power supply warning events where
the power supply continues to operate:
high temp, high power, high current, slow fan
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PSU LED
Description
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