Troubleshooting Shelves
LED
Names
LED
Colors
Potential Cause Solution for Troubleshooting
Critical Off Communication is broken
(FCU—SCU or SCU—NCU)
or
Shelf is not the master/main
shelf.
1 Check if a firmware mismatch condition is
displayed in NED and update the firmware, if
required.
2 Verify that the shelf is the master or main shelf.
3 If the LED remains off, replace the fan unit.
4 If the LED remains off, replace the SCU.
5 If the LEDremains off, contact your ADVA
Optical Networking Technical Services
Representative.
Red A critical error is detected as
highest severity in the NE.
At least one of the modules
has a critical error.
1 Check the NEDalarm list to determine which
module(s) has the critical failure condition(s).
2 Follow the troubleshooting guidelines specified
in the “Alarm and Event List” on p.783.
Major Off Communication is broken
(FCU—SCU or SCU—NCU)
or
Shelf is not the master/main
shelf.
1 Check if a firmware mismatch condition is
displayed in NED and update the firmware, if
required.
2 Verify that the shelf is the master or main shelf.
3 If the LED remains off, replace the fan unit.
4 If the LED remains off, replace the SCU.
5 If the LEDremains off, contact your ADVA
Optical Networking Technical Services
Representative.
Red A major error is detected as
highest severity in the NE.
At least one of the modules
has a major error.
1 Check the NEDalarm list to determine which
module(s) has the major failure condition(s).
2 Follow the troubleshooting guidelines specified
in the “Alarm and Event List” on p.783.
Minor Off Communication is broken
(FCU—SCU or SCU—NCU)
or
Shelf is not the master/main
shelf.
1 Check if a firmware mismatch condition is
displayed in NED and update the firmware, if
required.
2 Verify that the shelf is the master or main shelf.
3 If the LED remains off, replace the fan unit.
4 If the LED remains off, replace the SCU.
5 If the LEDremains off, contact your ADVA
Optical Networking Technical Services
Representative.
Yellow A minor error is detected as
highest severity in the NE.
At least one of the modules
has a minor error.
1 Check the NEDalarm list to determine which
module(s) has the minor failure condition(s).
2 Follow the troubleshooting guidelines specified
in the “Alarm and Event List” on p.783.
Table 14: SH9HU and SHX9HU Network Element Status LEDs
86 FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A