U300 sometimes hard to open

I installed a U300 on the door to our garage and love it except for one annoying thing. I very once in a while, the lock “sticks” such that I need to apply a lot of downward or upward force on exterior handle to open the door. It’s like the lock doesn’t get disengaged all the way when unlocking. Not even using a key remedies the problem. I thought maybe it was a problem with the door, but the problem is intermittent… like once every 9 or 10 times.

Has anyone else had this sort of problem?

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@GregO It sounds like you’re experiencing a frustrating issue with your U300 lock occasionally sticking. While the reference information doesn’t directly address this specific problem, there are a few general troubleshooting steps you might consider. First, ensure that the installation is aligned correctly, as the lock’s beveled edge should face the door frame, which can impact the locking mechanism’s functionality.

Additionally, check if the handle reversal was done accurately, as improper installation might affect the lock’s operation. The handle should be securely tightened after being rotated 180°, and all screws should be in the correct position.

This might not solve the issue entirely, but it’s a good starting point. It would be great to hear if other community members have faced similar issues and how they resolved them. Also, feel free to reach out to the Aqara Customer Service Team for more personalized assistance. Let’s see if others in the community have more insights to share!

Hi Greg,Thank you for your feedback. Could you please share a video of your door lock issue? This doesn’t seem like normal behavior.

For further assistance, we recommend reaching out to our support team directly at:
support@aqara.com
They’ll review your case and respond as soon as possible.

Open the door, press down on the handle and check, take a photo, and see if the latch is fully retracted. Also, check if the door gap is particularly small. You can provide the photo and details to me for troubleshoot