Troubleshooting Shelves
LED
Names
LED
Colors
Potential Cause Solution for Troubleshooting
Critical Off Communication is broken
(FCU—SCU/SCU-S or
SCU/SCU-S—NCU)
or
Shelf is not the master/main
shelf.
Check if a firmware mismatch is displayed in the
management and update the firmware if available.
• If no firmware mismatch is displayed in the
management, a hardware mismatch of the
SCU/SCU-S has occurred. Replace the
SCU/SCU-S.
• If the LED is still off, verify that the shelf is a
master or main shelf.
Red A critical error detected as
highest severity in the NE.
At least one of the modules
has a critical error.
Check the status of the modules in the fault
management table.
Major Off Communication is broken
(FCU—SCU/SCU-S or
SCU/SCU-S—NCU)
or
Shelf is not the master/main
shelf.
Check if a firmware mismatch is displayed in the
management and update the firmware if available.
• If no firmware mismatch is displayed in the
management, a hardware mismatch of the
SCU/SCU-S has occurred. Replace the
SCU/SCU-S.
• If the LED is still off, verify that the shelf is a
master or main shelf.
Red A major error detected as
highest severity in the NE.
At least one of the modules
has a major error.
Check the status of the modules in the fault
management table.
Minor Off Communication is broken
(FCU—SCU/SCU-S or
SCU/SCU-S—NCU)
or
Shelf is not the master/main
shelf.
Check if a firmware mismatch is displayed in the
management and update the firmware if available.
• If no firmware mismatch is displayed in the
management, a hardware mismatchof the
SCU/SCU-S has occurred. Replace the
SCU/SCU-S.
• If the LED is still off, verify that the shelf is a
master or main shelf.
Yellow A minor error detected as
highest severity in the NE.
At least one of the modules
has a minor error.
Check the status of the modules in the fault
management table.
Table 4: SH1HU-F/2DC, SH1HU-HP/2DC and SH1HU-HP/E-TEMP/2DCNetwork Element Status LEDs
FSP 3000R7 Maintenance and Troubleshooting Manual - Product Release 16.2 - Document Issue A 67
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