Checkout guide
4.Remove the backup battery (see “Checking the battery pack” on page 42).
5.Measure the voltage of the backup battery. See the following figure.
Red (+)
Black (-)
Wire | Voltage (V dc) |
|
|
Red | +2.5 to +3.2 |
|
|
Black | Ground |
|
|
vIf the voltage is correct, replace the system board.
vIf the voltage is not correct, replace the backup battery.
vIf the backup battery discharges quickly after replacement, replace the system board.
44R50e, R51e and R52 Series
