Euro Profile
Troubleshooting Guide for BLACK X Euro Profile Smart Lock
Having trouble with your BLACK X Euro Profile Smart Lock? Don’t worry! This guide covers common malfunctions and provides step-by-step solutions to help you resolve any issues quickly and efficiently. Whether it’s installation difficulties, connectivity problems, or battery concerns, we’ve got you covered.
For a seamless experience, follow the troubleshooting section below to identify your issue and apply the recommended fix. If the problem persists, feel free to contact our support team for further assistance.
For a detailed step-by-step installation guide, refer to:
π How to Install BLACK X Euro Profile Smart Lock β Step by Step
Β 

Installation Issues
The existing cylinder does not come out easily
Here are several options that can be examined:
- Ensure the mortise plate screw securing the cylinder has been fully removed. πRefer to Step 2
- Insert the key and rotate it slightly to align the cam with the body of the cylinder. πRefer to Step 3
- If there is resistance, double-check the cam alignment and try again. πRefer to Step 3
The new cylinder does not sit flush with the door
Here are several options that can be examined:
- Ensure the cylinder is inserted correctly and fully positioned in the door. πRefer to Step 5
- Secure the cylinder using the provided M5 steel bolt, ensuring it is at least 10 mm longer than the lock backset. πRefer to Step 5
- The cylinder should not protrude more than 3 mm from the door surface. If it does, adjust the installation and ensure the safety furniture is properly placed to prevent tampering πRefer to Step 5
- Avoid over-tightening the lock screw, as this may cause alignment issues.
For detailed instructions on all the above steps, refer to Step 5 in the π installation guide.
The BLACK X device feels loose after installation
Here are several options that can be examined:
- Ensure the BLACK X device is fully aligned and twisted into place until a βclickβ sound is heard.
- Use the Allen key to partially tighten the screws on the left and right sides, allowing for proper adjustment.
- Align the external knob properly before tightening the screw on top.
- Once all components are correctly positioned, fully secure the device by tightening the screws on both sides.
For detailed instructions on all the above steps, refer to Step 9 in the π installation guide.
The Allen key is turning without tightening the external knob
Here are several options that can be examined:
- Recheck the position of the external knob on the knob body.πRefer to Step 9
- Ensure they align properly and that you can see a complete hole for the Allen key to engage.
- If necessary, apply more pressure to mount the external knob until the two holes are fully aligned.
Lock Functionality Issues
The opening mechanism is stuck
Here are several options that can be examined:
- Ensure that, during the preparation of the new cylinder, the body aligns properly with the knob’s internal shaft for seamless integration into the lock mechanism.πRefer to Step 4
- When tightening the lock screw, make sure the cylinder does not protrude more than 3 mm from the door surface. Avoid over-tightening to prevent damage. πRefer to Step 5
- While performing the final tightening of the lock screw, ensure the cylinder remains flush and does not exceed the 3 mm limit. πRefer to Step 5
- Recheck all the steps for attaching the BLACK X Device (πRefer to Step 9):
- When mounting the BLACK X Device, listen for a ‘click’ to confirm it is correctly positioned. Also, ensure there is no looseness or play between the device and the cylinder.
- Make sure to remove the plastic/silicone pin before mounting the device.
- When securing the BLACK X Device, avoid overtightening, as this may cause the opening mechanism to become jammed.
The lock does not respond to app commands
Here are several options that can be examined:
- Ensure that the lock is securely installed and the screws are tightened.πRefer to Step 9
- If using a Wi-Fi bridge, check that it is connected and powered. πRefer to Step 10
- Restart the BLACK X app and ensure Bluetooth is enabled.
Connectivity & App Issues
The lock does not pair with the BLACK X App
Here are several options that can be examined:
- Open the BLACK X app and ensure you are in pairing mode. πRefer to Step 8
- Use the Allen key to press the connect button on the lock. πRefer to Step 8
- Confirm that the battery is installed correctly and that a beep sound was heard upon installation. πRefer to Step 7
- Ensure Bluetooth is turned on in your mobile device settings before attempting to connect. πRefer to Step 8
- Wait for the pop-up for the correct lock to appear and click βConnectβ. πRefer to Step 8
- If the lock does not appear, restart the app, ensure Bluetooth is enabled, and try again.
The Wi-Fi bridge is not connecting (if applicable)
Here are several options that can be examined:
- Ensure the USB-C Wi-Fi bridge is plugged into a power source. πRefer to Step 10
- Check the Wi-Fi connection and make sure the router is within range.
- Restart the Wi-Fi bridge and the BLACK X app, then attempt to reconnect.
General Information & Battery Issues
How do I determine the door orientation?
Here are several options that can be examined (πRefer to Step 6):
- Left-Handed Door: If the hinges are on the left side when you face the door from the outside, the door is considered left-handed.
- Right-Handed Door: If the hinges are on the right side, itβs a right-handed door.
- Mark Orientation:
- Use the red marker for left-handed doors.
- Use the green marker for right-handed doors.
What type of battery is required for BLACK X locks?
- The BLACK X device requires a CR2 battery, commonly used in cameras and electronic devices. πRefer to Step 7
- Battery life is up to 2 years under normal usage.
Where to Buy CR2 Batteries?
You can purchase CR2 batteries at various retailers, both online and in physical stores. Here are some options:
- Online Retailers:
- Amazon: Search for “CR2 battery,” and you’ll find many options from various brands.
- eBay: You can find new or bulk options for CR2 batteries.
- Walmart: They have an online store with delivery options or in-store pickup.
- Physical Stores:
- Electronics Stores: Stores like Best Buy often carry CR2 batteries.
- Pharmacies: Chains like CVS or Walgreens sometimes stock batteries in their electronics section.
- Home Improvement Stores: Places like Home Depot or Lowe’s usually have a selection of batteries.
Before purchasing, check the packaging for compatibility and read reviews to ensure you’re buying a reliable brand.
Need Further Assistance?
If you’re still experiencing issues after following this guide, our support team is here to help.
βοΈ Contact us: Reach out for support and weβll respond as soon as possible.π contact here