Step-by-step Installation
Replace the lock cylinder in your door
Remove the lock cylinder
You may have one of the two lock plate types installed: single or double. Please, watch the short video how to remove the lock cylinder in both cases.
Assemble GERDA modular cylinder
Assemble the modular lock cylinder based on dimensions of the old one. Please, remember to leave at least 3mm of the cylinder body sticking out from the lock plate from the inside of the apartment. That's important for the lock installation procedure.
Install newly assembled cylinder in the door lock
The installation is a little different for the gear cam cylinders. Please watch the videos how to do it properly in both cases.
Lock installation using the nordic adapter
You are probably looking at your nordic adapter and may be wondering how to install it? Don’t worry, it’s a piece of cake! The following videos will guide you step-by-step through the installation process.
Lock installation using the euro adapter
You are probably looking at your euro adapter and may be wondering how to install it? Don’t worry, it’s a piece of cake! The following videos will guide you step-by-step through the installation process.
Install tedee app
Download and install tedee app. Set up your account.
Install and add the lock to the app
Mount tedee lock on the cylinder
Switch on the lock
Press the button for 2 seconds.

After LED blinks red-blue-green-white, your lock is ready and you can pair it with tedee app.

Add the lock in the tedee application
Select "add new device."

Make sure Bluetooth and the tracking service are on and your phone is online.


Select "lock" and click "add new device."



Enter the lock activating code.




Switch it on and connect with the bridge
Prepare the bridge for pairing
Power up the bridge using a USB charger or a micro USB cable and check if the LED on the device is flashing. If yes, the bridge is ready for pairing.

Add the bridge in the tedee application
Select "add new device."

Make sure Bluetooth and the tracking service are on and your phone is online.


Select "bridge" and click "add new device."



Enter the bridge activating code.



