H3C Technologies H3C S12500-X Series Switches - Manual (Page 124)

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Figure 65 Power module LEDs
(1) Power input LED (2) Power output LED (3) Over-temperature alarm LED
(4) Fault LED
Table 65 Power module LED description
Power input
LED (green)
Power output
LED (green)
Over-temperature
alarm LED (yellow)
Fault LED
(red)
Description
Steady on Steady on Off Off
The power module is operating
correctly.
Steady on Steady on Steady on Off
An over-temperature alarm has
occurred.
Steady on Off Steady on Steady on
The power module is powered off
because of over-temperature.
Flashing Off Off Off
The power input has exceeded or
dropped below the threshold.
Steady on Off Off Steady on
The power module is powered off
because of overvoltage.
Steady on Flashing Off Off The power output is overloaded.
Off Off Off Off No power is being input.
Steady on Steady on/Off Off Steady on
Unidentified power module
faults.