Gigabyte E252-P30, User Manual, Page: 19 / 84

- 19 - System Appearance
2-5 Power Supply Unit (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
2Hz Blink GREEN Power supply firmware updating mode
Amber
Indicates power supply critical event causing shut down:
failure, OCP, OVP, Fan Fail, UVP
Indicates AC cord unplugged or AC power lost; with a
second power supply in parallel still with AC input power.
1Hz Blink Amber
Indicates AC cord unplugged or AC power lost; with a
second power supply in parallel still with AC input power.
1Hz Blink Amber/Green
Alternative
Indicates power supply warning events where
the power supply continues to operate:
high temp, high power, high current, slow fan.
PSU LED