IBM B50 - Manual (Page 75)

Error Code Function
/Description Repair Action/Possible Failing FRU
28030001 RTC initialization
required - RTC not
updating, corrected. Refer to action for 28030xxx.
28030002 Bad time/date
values 1. Set the Time and Date
2. Refer to action for 28030xxx if problem persists.
28030003 RTC initialization
required - RTC not
updating, not
corrected Replace the system board (see note 3 on page 2-1).
28030004 RTC operating
mode parameters
changed (ie. data
format) 1. Set or Restore the Time and Date
2. Refer to action for 28030xxx if problem persists.
28030005 RTC Battery error 1. Replace the battery.
Note: Password, Time, and Date needs to be set
.
2. Refer to action for 28030xxx if problem persists.
28A00040 Fan failure Check on the following:
Ensure fans (CPU fansink connector J26 and
System fan connector J27) are properly connected
to the I/O planar.
Reseat all suspected fan(s) connectors.
Look for obstructions that may prevent the fans
from normal operations. (For example, a cable
caught in the fan preventing it from spinning.)
Replace any suspected fan(s) that may cause this
error.
If after replacing the suspected fan(s) and the
problem still exists, then replace the system board
(see note 3 on page 2-1).
28A00050 Power Supply
Failure Replace the power suppply
29xxxxxx Keyboard/Mouse
problems
29000002 Keyboard/Mouse
controller failed
self-test. Replace system board (see note 3 on page 2-1).
29A00003 Keyboard not
present/detected. 1. Keyboard
2. Replace system board (see note 3 on page 2-1).
29A00004 Keyboard stuck key
detected. 1. Keyboard
2. Replace system board (see note 3 on page 2-1).
29B00004 Mouse not
present/detected 1. Mouse
2. Replace system board (see note 3 on page 2-1).
Chapter 3. Error Code to FRU Index 3-11