Hello, I aquired a couple of antminers s3+ an one is working fine but the other is not

the log says:
[ 18.490000] device eth0 entered promiscuous mode
[ 21.310000] eth1: link up (100Mbps/Full duplex)
[ 21.690000] usb 1-1.1: USB disconnect, device number 3
[ 21.690000] bitmain 1-1.1:1.0: USB Bitmain asic #0 now disconnected
[ 21.950000] usb 1-1.1: new full-speed USB device number 4 using ehci-platform
[ 22.090000] bitmainbl 1-1.1:1.0: USB Bitmain bootloader device now attached to USB Bitmain bootloader-0
[ 22.100000] PIC microchip bootloader usb OK
[ 31.660000] no int in filled
[ 33.020000] usb 1-1.1: USB disconnect, device number 4
[ 33.130000] bitmainbl 1-1.1:1.0: USB Bitmain asic #0 now disconnected
[ 33.580000] usb 1-1.1: new full-speed USB device number 5 using ehci-platform
[ 33.720000] bitmain 1-1.1:1.0: USB Bitmain asic device now attached to USB Bitmain asic-0
[ 33.720000] PIC microchip usb OK
[ 90.220000] bitmain 1-1.1:1.0: USB Bitmain asic #0 now disconnected
Can anybody help me please
