User Manual

AS4000 Operations and Maintenance
Section
605-0000-431
3
. Issue 1.6. Date3/2/99
Page 9 of 22 © Copyright Airspan Communications Corporation 1999
2.1.5. FRU Failed -From SC PSU
Message: Shelf Controller:PSU Fail
Source: Shelf Controller PSU.
Fault Condition: PSU Fail
Likely Cause: Faulty PSU module.
.
Consequential Effect: The Analogue Card PSU provides back-up power supply for the
shelf controller. Service should not be effected but the faulty SC
should be replaced as soon as practical.
Repair Actions:
Replace faulty Shelf Controller. Refer to detailed level procedure
DLP-004 in Section 4 for Changing the Shelf controller card