I am having a bunch of issues with a Yale YRD226 door lock with zigbee module. This locked worked flawless for months, now it takes multiple resets sometimes having to be reset 2 hours later … the lock just stops responding to any commands from HA. I am using a Sonoff zigbee 3.0 using Zigbee2mqtt. I am new and would appreciate any insight into helping my issues. Yale sent me another module but it’s behaving the same.
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I suspect interference.
What has changed in the environment?
Try repositioning the coordinator slightly.
If i move my zigbee coordinator 6 inches to the right my locks also stop functioning due to interference from other devices.
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Thanks for the suggestion I’ll try to fiddle with positioning a bit today 
I also checked out the map and added a smart plug next to the wall close to the lock, to act as router and see if that helps keep the locks connection.