My lock will not open, however it has been working fine since installation.

Please use a correct credential on the lock and you should see the following happen:

• The Lock will scroll and play a fanfare (if the screen shows a flashing cross and plays a beeping noise this indicates the credential is wrong)
• You should hear a faint noise of the motor engaging

If this is the case it is likely that the nightlatch requires a handing plate. This is because certain nightlatches can only be turned one way by the key. There is a handing plate which is included with the Keyless Connected for these nightlatches. If you turn it the incorrect way the nightlatch gets double locked and can only be unlocked when you are on the inside. If possible please gain entry through a different means and then immediately fit the handing plate