99
Appendix B LEDs
Power system LEDs
Power monitoring module LEDs
Table 38
Power monitoring module LED description
LED Status
Description
RUN
Flashing
The power monitoring module is operating correctly.
Off
The power monitoring module is faulty.
ALM
Steady on
•
At least one power module is faulty.
•
The switch of the power frame is off.
•
A power module is present, but no AC power supply is provided.
•
All power modules are removed.
Flashing
Off
The power modules are operating correctly.
Power module LEDs
Figure 75
Power module LEDs
(1) Power input LED
(2) Power output LED
(3) Over-temperature alarm LED
(4) Power module fault LED
Table 39
Power module LED description
LED Status
Description
Input
Steady on
The power is being input correctly.
Off
No power is being input.
Flashing
The input power has exceeded the threshold.
Output
Steady on
The power is being output correctly.
(
1
)
(
2
)
(
3
)
(
4
)