B&R Automation PC 3100 User Manual page 215

4. Remove the battery from the adapter and replace it.
Advice:
The battery is not permitted to be held by its edges. Insulated tweezers may also be used to insert
the battery.
When reinserting, pay attention to the polarity. The positive terminal is marked on the adapter;
this must match the positive terminal of the battery.
5. Insert the battery adapter back into the device.
6. Reconnect the power supply to the B&R industrial PC (connect the power connector).
7. Set the date and time in BIOS again.
Warning!
Lithium batteries are hazardous waste! Used batteries must be disposed of in accordance with local
regulations.
Automation PC 3100 User's manual V 2.10
Maintenance
215