Press the Test Button using a sharp tool on the Door Contact to send signal to the Control Panel.
If the Control Panel receives the learning code, it will list the device.
Click on the blue tile labelled Door Contact in the WMI to complete pairing.
After the device is learnt-in, put the Control Panel/Hub into Walk Test mode. Hold the sensor in the desired location, and press the Test button to confirm this location is within the signal range of the Control Panel/Hub.