D3-DU 3xx/A, /BMaintenance
Project engineering manual V1.09
98
© KEBA 2021
Fig.10-36: Remove side covering
3) Remove battery case of the DU 3xx/x.
Fig.10-37: Remove battery case
4) Insert new battery into battery case and insert it into the DU 3xx/x. Pay
attention to polarity!
Fig.10-38: Insert battery
5) If no power supply module is connected insert side covering. Take care
not to swap the side covering.
6) Close cover flap until the locking latches.
The battery is changed.