IBM 720X (9552) User Manual
Indicator Related Symptoms
Symptom/Error
FRU/Action
Indicator incorrectly remains
on or off, but system runs
correctly.
on or off, but system runs
correctly.
1. Reseat the inverter
card.
2. Inverter Card.
3. Top System Board.
Battery status indicator
blinks green and beeps
three times at power-on or
Resume.
blinks green and beeps
three times at power-on or
Resume.
1. Check that a fully
charged battery is
installed.
installed.
2. Battery Pack
3. Reseat Top and
Bottom System Boards
together.
together.
4. Top System Board.
5. Bottom System Board.
5. Bottom System Board.
Battery status indicator
blinks green at power-on.
blinks green at power-on.
1. Check the
card-to-card
connection. Reseat
Top and Bottom
System Boards
together.
connection. Reseat
Top and Bottom
System Boards
together.
2. Top System Board.
3. Bottom System Board.
3. Bottom System Board.
Battery status indicator does
not turn on when battery
fuel gauge is over 90% but
less than 100%.
not turn on when battery
fuel gauge is over 90% but
less than 100%.
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.
continues. Leave the
computer charging,
and then recheck the
battery fuel gauge a
short time later to
see whether the
charge has
increased.
Power Related Symptoms
Symptom/Error
FRU/Action
Power shut down during
operation.
operation.
1. Go to “Power
Systems Checkout”
on page 135.
on page 135.
2. Battery Pack
3. Power sources
3. Power sources
4. Top System Board
The system will not
power-off.
power-off.
1. If you are in Suspend
mode, resume by
pressing Fn. Then,
try to power-off.
pressing Fn. Then,
try to power-off.
2. Disconnect the
computer from ac
power.
power.
3. Remove the battery.
4. If problem occurs
4. If problem occurs
consistently, replace
the Top System Board.
the Top System Board.
ThinkPad 701C/701CS (2630)
149