Backup Battery Test (2523)

Backup Battery Test
  1.  Remove the backup battery.
  2.  Measure the voltage on the battery as shown below.


Pole Voltage (Vdc)
+ +2.8 to +3.2
- Ground

If the voltage is not correct, replace the backup battery.
If the voltage is correct, a short circuit or a failure in the system board has occurred. Replace the system board.

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