DS8000 Service Documentation Version 6.3.3
SRCTB1X
There is a failure detected by the power subsystem. The complete FRU part number, procedure ID, or symbolic FRU could not be determined by the power subsystem firmware.
Procedure
This FRU in the serviceable event view may have a partial
or complete location code that will assist you in the repair action.
Go to (1000) Reference codes and
locate the SRC you are working on to service this problem.