S9180-32X Hardware Installation Guide | 19
Blinking Green (1/sec) PSU standby state input power present / Only +5VSB on.
Blinking Green (2/sec)
Power supply firmware updating (Boot-loader mode).
Red
Power supply critical event causing a shutdown, failure, over current,
short circuit, over voltage, fan failure, and/or over temperature.
Blinking Red (1/sec)
Input power cord unplugged or input power lost with a second power
supply in parallel still with AC input power.
Blinking between
Green and Red
Power supply warning events where the power supply continues to
operate; high temp, high power, high current, and/or slow fan.
Fan FRU LED
LED Condition
Equipment Status
Off
No input power
Solid Green
Fan is functioning normal
Solid Amber
Fan is abnormal, service is required