Cannot pair Yale YRD210 deadbolt lock

[RBoy (www.rboyapps.com - Making SmartThings Easy!)]

You’re running into the stale cache DTH issue. When a DTH is unused for a long time ST makes it stale and there a bug in the platform where it does not refresh the cache due to which it ultimate timeouts out when trying to pair the device.

The solution is just to republish the DTH which refreshes the cache and everything works fine (you don’t need to remove the custom DTH if you’re still using it, if not then it’s a good practice to remove it). See this topic for details

FAQ: My lock/device does not pair or appears to pair but it won't show up in the mobile app or IDE - stale DTH

While the topic title talks about locks, this issue affects any device which appears to pair but doesn’t complete pairing. If you’re having trouble pairing your device and you’re using custom DTH’s see this FAQ: Symptoms When you try to pair a device using the ST app or the Classic ST app it may appear to pair successfully, i.e.: the device will provide feedback that it has paired. e.g. Devices/locks flash green lights or other lights to indicate successful pairing Device may successful sounds/beeps But the ST mobile app won’t show any new devices, it’ll continue saying Looking for devices There are no new devices showing up in the IDE under My Devices You are able to successfully manually exclude the device using the General Exclusion process Cause This is caused by custom DTH’s …