Service Guide

Bus fault messages

Table 22 describes bus fault messages and their suggested actions.

Table 22. Bus fault messages and suggested actions

Message	Suggested Action
Failure reading 12C device	Check devices on bus 0 Replace system board
Failure reading 12C device	Check devices on bus 1 Reseat Power Supply Replace Power Supply Replace Power Supply backplane Replace system board
Failure reading 12C device	Check devices on bus 2 Replace DASD backplane Replace system board
Failure reading 12C device	Check devices on bus 3 Replace system board
Failure reading 12C device	Check devices on bus 4 Replace DIMM Replace system board