H3C Technologies H3C S5800 Series Switches - Manual (Page 10)

5
LED status Description
Steady red
The power module fails or enters the
protected state.
Red/Green blinking
alternatively
The power module alarms. The power
module encounters 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.
Blinking 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.