S9705-48D Hardware Installation Guide | 23
PSU FRU LED
Additional information about PSU status can be obtained by the LEDs located on the PSU itself.
LED Condition
Equipment Status
Off
No input power to all power supplies.
Green
Output ON and OK
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
Additional information about fan status can be obtained by the LEDs located on the fan itself.
LED Condition
Equipment Status
Off
No input power to all power supplies
Green
Fan FRU function normal
Amber
Fan FRU abnormal, service is required
