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