Erase Memory - Siemens Codoor CD3500 Installation & User Manual

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Erase memory

In cases where the Codoor is moved to another door (with new users),
you should be sure that no old codes remains. The best way is to erase
the memory. Proceed as follows:
1. Remove Codoor from the door.
2. Press and hold the reset button on the rear of Codoor
and  -button simultaneously - until the green LED lit.
3. Release both buttons simultaneously.
4. Press the reset button once again for 2 seconds.
5. As a confirmation, a rising tone sounds from the buzzer.
CD3500 & CD4000 Installation and User manual
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