IBM 147A User Manual
Indicator-Related Symptoms
Symptom/Error
FRU/Action in Sequence
Indicator incorrectly
remains off or on, but
system runs cor-
rectly.
remains off or on, but
system runs cor-
rectly.
Reconnect the indicator board
connector.
connector.
Indicator board
Power-Related Symptoms
Symptom/Error
FRU/Action in Sequence
Power shuts down
during operation.
during operation.
Go to “Power Systems
Check” on page 6.
Check” on page 6.
AC Adapter
Battery pack
Audio and battery function
connection board
connection board
Charger board
Planar board
The system doesn't
power on.
power on.
Go to “Power Systems
Check” on page 6.
Check” on page 6.
AC Adapter
Charger board
Planar board
The system doesn't
power off.
power off.
Go to “Power Systems
Check” on page 6.
Check” on page 6.
Hold and press the power
switch for more than 4
seconds.
switch for more than 4
seconds.
Charger board
Planar board
Battery can't be
charged.
charged.
Go to “Power Systems
Check” on page 6.
Check” on page 6.
Battery pack
Charger board
Planar board
Memory-Related Symptoms
Symptom/Error
FRU/Action in Sequence
Memory count (size)
appears different
from the actual size.
appears different
from the actual size.
Go to “Memory Check” on
page 8.
page 8.
Enter BIOS Utility and
execute "Load Setup Default
Settings"; then reboot the
system.
execute "Load Setup Default
Settings"; then reboot the
system.
DIMM
Planar board
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ThinkPad i Series 1400