H3C Technologies H3C S5800 Series Switches - Manual (Page 9)

4
LED status Description
Steady red
The power module has failed or entered
the protected state.
Red/Green flashing
alternatively
The power module has generated an
alarm. The power module has
encountered exceptional power output
problems, for example, over-voltage
output, under-voltage output, over-current
output, over-load, and over-heat, but does
not enter the protected state.
Flashing red
The power module has no power input.
The switch has two power modules. If one
has power input, but the other does not,
the status LED of the power module that
has no power input blinks red.
Off The power modules have no power input.