IBM pSeries 690 Service Manual page 703

Error Code Description
4503 30BD This error code indicates that the memory
repeat gard function has deconfigured or
partially deconfigured a memory book.
4503 30C0 This error code indicates that the memory
repeat gard function has deconfigured or
partially deconfigured a memory book.
Action/
Possible Failing FRU
Do the following:
1. Go to the memory
configuration/deconfiguration menu, which is
under the system information menu in the
service processor menus.
Look at the status of the books. If any of
the books have a status of "manually
deconfigured", reconfigure the books and
boot the system in a full system partition to
the SMS menus. Shut down the system and
look again at the status of the books.
If all of the books are still configured in the
memory configuration/deconfiguration menu,
the problem has been resolved.
If any of the books have a status of
"deconfigured by the system", either before
or after the boot to the SMS menus, go to
step 2.
2. Replace the memory book specified by the
location code.
Do the following:
1. Go to the memory
configuration/deconfiguration menu, which is
under the system information menu in the
service processor menus.
Look at the status of the books. If any of
the books have a status of "manually
deconfigured", reconfigure the books and
boot the system in a full system partition to
the SMS menus. Shut down the system and
look again at the status of the books.
If all of the books are still configured in the
memory configuration/deconfiguration menu,
the problem has been resolved.
If any of the books have a status of
"deconfigured by the system", either before
or after the boot to the SMS menus, go to
step 2.
2. Replace the memory book specified by the
location code.
Chapter 5. Error Code to FRU Index
687