Edge drivers with the suffix Mc are usually the work of the amazing @Mariano_Colmenarejo . Usually the first thing to do would be to check his author thread for that particular edge driver to see if others are having similar problems. 
(EDGE Driver-Mc): Zigbee Switch Mc, Zigbee Switch Power Mc, Zigbee Multi Switch and Child Mc
Also, it would be a good idea to go to the official Web UI to your SmartThings account and check to see exactly what edge driver the device is using and what its “fingerprint“ is.
