Power Supply Unit (Psu) Led - Gigabyte R152-Z31 User Manual

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Power Supply Unit (PSU) LED

PSU LED
State Description
OFF Indicates no AC power to all power supplies
1Hz Blink GREEN Indicates AC present/ only standby on/ Cold redundant mode
Indicates power supply critical event causing shut down:
Red
failure, OCP, OVP, Fan Fail, UVP
Indicates AC cord unplugged or AC power lost; with a
1Hz Blink Red
second power supply in parallel still with AC input power.
Indicates power supply warning events where
1Hz Blink Red/Green
the power supply continues to operate:
Alternative
high temp, high power, high current, slow fan.
- 23 - System Appearance