- 19 -
System Appearance
2-5 Power Supply Unit LED
PSU LED
State
Description
OFF
No AC power to all power supplies
1Hz Green Blinking
AC present / only standby on / Cold redundant mode
2Hz Green Blinking
Power supply firmware updateing mode
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
1Hz Amber Blinking
Power supply warning events where the
power supply continues to operate:
high temp, high power, high current and slow fan
