Yale Assure locks frequently lose connection with smart home platforms like Apple HomeKit and Samsung SmartThings. When this happens, the lock may show as not responding, display incorrect locked or unlocked status, or fail to respond to remote commands.
Common Causes
- iM1 module issues - The HomeKit module can have firmware or hardware problems
- Z-Wave signal strength - Weak Z-Wave mesh network connectivity
- Home hub problems - Issues with HomePod or Apple TV acting as the HomeKit hub
- Battery drain - Connection issues can cause batteries to drain quickly
- Status reporting bugs - The lock may be working but reporting wrong status
How to Fix It
For HomeKit Connection Issues
Step 1: Check Your Home Hub
Some users report that using a HomePod as the HomeKit hub causes more connection issues than using an Apple TV 4K. If you have both, try forcing the Apple TV to be the primary hub by turning off the HomePod temporarily.
Step 2: Remove and Re-add to HomeKit
In the Home app, remove the lock and add it again. This refreshes the connection and can resolve many communication issues.
Step 3: Reset the iM1 Module
If you have the iM1 HomeKit module, try removing it from the lock, waiting 30 seconds, and reinstalling it. This can reset the Bluetooth and WiFi connections.
For SmartThings Connection Issues
Step 1: Improve Z-Wave Signal
Move your SmartThings hub closer to the lock, or add Z-Wave repeaters between them. Door locks need a strong signal because they use encrypted communications.
Step 2: Re-pair with SmartThings
To re-pair the Yale Assure Lock SL with Z-Wave:
- Lock your door
- Enter your Master PIN
- Press 7 then the gear button
- Press 1 then the gear button
- Wait 60 seconds for the lock to appear in SmartThings
Step 3: Consider ZigBee Instead
Some users report more reliable connections with the ZigBee module instead of Z-Wave. If you continue having Z-Wave issues, consider switching to a ZigBee network module.
For Status Reporting Issues
If your lock physically works but always shows the wrong status in apps, this is often a module communication issue. Try replacing the network module or contact Yale support for a warranty replacement.
Battery Drain Warning
If connection issues cause your batteries to drain in 10 days instead of months, this indicates a constant retry loop. Fix the connection issue to restore normal battery life.