H3C Technologies H3C S12500 Series Switches - Manual (Page 139)

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Appendix B LEDs
Power system LEDs
Monitoring module LEDs
Table 44 Power monitoring module LED description
LED Status Description
RUN
Steady on The power monitoring module is operating properly.
Off The power monitoring module is faulty.
MAJOR
Steady on
• At least one power supply is faulty.
• All power supplies have been removed from the power frame.
• The switch of the power frame is off.
• Power supplies are in position, but no AC power supply is provided.
Turns on and then
goes off
A power supply is being inserted or removed.
Off The power supplies are operating properly.
MINOR Off Reserved
Power supply LEDs
Figure 83 Power supply LEDs
(1) Power input LED (2) Power output LED (3) Over-temperature alarm LED
(4) Power supply fault LED
Table 45 Power supply LED description
LED Status Description
Input Steady on The power is being input properly.
（ 1）
（ 2）
（ 3）
（ 4）