IBM ThinkPad 340 Series Hardware Maintenance Manual page 159

Indicator Related Symptoms
Symptom/Error
Indicator incorrectly remains
on or off, but system runs
correctly.
Battery status indicator
blinks green and beeps
three times at power-on or
Resume.
Battery status indicator
blinks green at power-on.
Battery status indicator does
not turn on when battery
fuel gauge is over 90% but
less than 100%.
Power Related Symptoms
Symptom/Error
Power shut down during
operation.
The system will not
power-off.
FRU/Action
1. Reseat the inverter
card.
2. Inverter Card.
3. Top System Board.
1. Check that a fully
charged battery is
installed.
2. Battery Pack
3. Reseat Top and
Bottom System Boards
together.
4. Top System Board.
5. Bottom System Board.
1. Check the
card-to-card
connection. Reseat
Top and Bottom
System Boards
together.
2. Top System Board.
3. Bottom System Board.
1. This is normal
operation if charging
continues. Leave the
computer charging,
and then recheck the
battery fuel gauge a
short time later to
see whether the
charge has
increased.
FRU/Action
1. Go to "Power
Systems Checkout"
on page 135.
2. Battery Pack
3. Power sources
4. Top System Board
1. If you are in Suspend
mode, resume by
pressing Fn. Then,
try to power-off.
2. Disconnect the
computer from ac
power.
3. Remove the battery.
4. If problem occurs
consistently, replace
the Top System Board.
ThinkPad 701C/701CS (2630)
149