IBM RS/6000 7043 43P Series Service Manual page 145

Unresolved problems:
conditions:
A 4-digit code in the range of "E100" through "EFFF" is displayed on the operator
panel display but is not listed in Table 4-3 on page 4-14.
A 4-digit code is displayed and is listed in Table 4-3 on page 4-14, but there are
no repair actions or FRUs listed for the code.
All of the FRUs listed in repair actions have been replaced and the problem has
not been corrected.
Go to MAP 1540A or 1540B for any of the following
Chapter 4. Error Code to FRU Index for the Model 150
4-27