IBM 6C1 Service Manual page 149

Table 3. Firmware Error Codes. (continued)
Error Code Description
28030006 Processor frequency measurement error
28A00040 Power supply/fan errors
28A00050 Power supply failure
29000002 Keyboard/mouse controller failed self-test. Replace the system board.
29A00003 Keyboard not present/detected.
Action / Possible Failing FRU
1. Verify that the current level of the
system firmware is installed.
2. Replace the processor card
Location: P1-C1
Location: P1-C2
3. Replace system board.
Location: P1
(See note 3 on page 115.)
Replacing the battery does not
correct this error condition.
Check the following:
v Ensure the I/O and media fans are
properly connected to the system
board.
v Ensure the processor fan is
properly connected to the processor
card.
v Reseat all suspected fans
connectors.
v Look for obstructions that may
prevent the fans from normal
operations. (For example, a cable
caught in the fan, preventing it from
spinning.)
v Replace any suspected fans that
may cause this error.
v If after replacing the suspected
fans, the problem still exists:
– Replace the processor card for a
failing processor fan.
– Replace the system board
Location: P1
(See note 3 on page 115.)
1. Replace the power supply
specified by the location code.
2. Replace the power backplane.
Location: P3
Location: P1
(See note 3 on page 115.)
1. Keyboard
2. Replace the system board.
Location: P1
(See note 3 on page 115.)
Chapter 5. Error Code to FRU Index
131