Adva FSP 3000R7 - PSU;7 HU-AC and PSU;9 HU-AC; LED Status of the PSU;7 HU-AC and PSU;9 HU-AC

Troubleshooting Power Supply Units
PSU/7HU-AC and PSU/9HU-AC
The PSU/7HU-AC is available in the following variants:
• PSU/7HU-AC
• PSU/7HU-AC-HP
• PSU/7HU-AC-800
In the following, PSU/7HU-AC refers to all its variants available with this release.
The PSU/7HU-AC and PSU/9HU-AChave a single tri-color LED indicator marked “P”. The LED is located on the
faceplate of each PSU.
Please follow the troubleshooting steps in Table 16 based upon the states of the LEDs.
Note
If your module has an LED status that is not represented in Table 16, please contact your ADVA
Optical Networking Technical Services Representative.
WARNING
Hazardous voltage!
Always disconnect the AC power cord from the appliance coupler, before removing the
PSU/7HU-AC or PSU/9HU-AC from the shelf.
LED Name LED Colors Potential Cause Solution for Troubleshooting
P Red An overload of 100% to
110% is reached.
A hardware error has occurred. Return the PSU to
ADVA Optical Networking.
This unit is not receiving
AC power, but the
redundant power supply
unit provides AC power to
the shelf.
A hardware error has occurred. Return the PSU to
ADVA Optical Networking.
Yellow An overload of 90% to
100% is reached.
Check the power connection according to the
PSU specification.
Off Main supply has failed. No
AC power is provided to
the shelf.
1 Check the power connection. If the power
connection is operational, a hardware error
has occurred.
2 Return the PSU to ADVA Optical
Networking.
Green The unit is receiving
adequate AC power.
No action is required.
The output voltage is
within the admissible
range.
Table 16: LED Status of the PSU/7HU-AC and PSU/9HU-AC
90 FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A