hi can any one help me got 2 blades v2 trying to connect everythings ok blade powers up i can see configuration page added following details

server address:mint.bitminter.com,mint.bitminter.com
user:pass: shefflad_new:x,shefflad_shefflad:x

but i get no results all chips are O and seems like it reboots after 2min 15 sec

Total MHS:   00000
Received:   0000000000
Accepted:   0000000000
Per Minute:   000.00
Efficiency:   000.00%
Up Time:   0d,00h,00m,14s

Current Server: mint.bitminter.com:8332
Chip: OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO