ZWave: window/door sensors
The first ZWave devices I bought one year ago were window/door sensors. I started with 3x Everspring SM 103 sensors as I got a bulk price for them. Initially everything worked fine, until a few months: One sensor, attached to a window, suddenly stopped communicating with the controller; changed the batteries, re-included into the network, did a reset, but still the same. Even at 30 cm from the controller, sometimes it takes a few seconds (to a minute) to wake up and send an event. Weirdly after it wake up a first time, it seems to work fine for a few... but after some time, it "lags" again. Finally, I replaced it with the "test" spare sensor I had. Second sensor, the door sensor... Ok, that one was badly treated: since the base was too big to be installed next to the door, I installed the base on the door and the magnet on the side. Clearly a bad idea. This probably did not help. Recently this one also started to "miss" wake ups, but worse, it also mi