We have several FMB 920, 120, 125 & 204 with ELA Puk T temperature sensors. They work fine for some time, However, they sometimes show 30C, and then takes a while before it starts working again. The ble temperature sensors are physically mounted and not being moved around in conjunction with the Teltonika. We are also having issues with our one wired probes where they just don't give any readings and disappear randomly.
We are running on firmware version: