H3C S7508E-X Installation Manual page 91

Table 48 Power module LED description
LEDs Color
Off
AC
Green
Green
Red
DC
Orange
Description
The power module has no system input.
The input voltage is too low. The power module enters the self protection state.
The power module has proper system input.
The power module has proper system output.
A system output problem occurs to the power module. (The power module
generates an alarm due to output short-circuit, output over-current, output
over-voltage, input under-voltage, or remote power off, and enters the self
protection state.)
The power module generates an alarm due to over temperature, and enters the
self protection state.
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