Eufy S350 turn off!

I have a Home Base 3 with 2 Eufy S355, one of them is working fine with all option is on such tracking, night vision, calibration etc, the other suddenly shut off with no reason! wifi is ok, electricity is ok it is just suddenly shut doan after a normal calibration or usual 360 after presets position, and when i chekc the app it says camera is offline, i unplug the wire cable and plug it again it doesnt work but when i turn the cam manually it work gain for a while normail and turn off!!