99
Appendix B LEDs
Power module LEDs
Table 40
AC power module LED description
LED Status Description
Input
Steady on
Power is being correctly input.
Off
The power module is absent or has input voltage error.
Output
Steady on
The power module is correctly outputting power.
Off
The power module has output voltage error or is absent.
Fault
Steady on
The power module is experiencing an overvoltage, overcurrent, or
over-temperature condition.
Off
The power module is operating correctly or absent.
Table 41
DC power module LED description
LED Status Description
IN (input)
Steady on
Power is being correctly input.
Off
The power module is absent or has input voltage error.
OUT (output)
Steady on
The power module is correctly outputting power.
Off
The power module has output voltage error or is absent.
FAIL (fault)
Steady on
The power module is experiencing an overvoltage, overcurrent, or
over-temperature condition.
Off
The power module is operating correctly or absent.
Fan LEDs
Table 42
Fan LED description
LED Status
Description
RUN
Off
The fan tray has failed.
Steady on
The fan tray is operating correctly.
ALM
Off
The fan tray is in a normal state.
Steady on
The fan tray is faulty.