111
Appendix B LEDs
Power system LEDs
Monitoring module LEDs
Table 43 Power monitor module LED description
LED Status Descri
tion
RUN
Steady on
The power monitor module is operating properly.
Off
The power monitor 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 79 Power supply LEDs
(1) Power input LED (2) Power output LED (3) Over-temperature alarm LED
(4) Power supply fault LED
Table 44 Power supply LED description
LED Status Description
Input Steady on
The power is being input properly.
（1）
（2）
（3）
（4）
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