Success Wifi Connect And Immediately Disconnect From ARC

Hello! Its my first experience with EZ robot Develop kit. In fact I don't know if it Ez3 or Ez4. I've success connction to it by WiFi. I can see Main Page and can do all diagnostic test (sounds and servos) But I can't make succesfull connectionn from ARC. I tried do it from both mode - client and servers, but unsuccessfull. Can you help me? Attempting connection on 10.0.1.48 Comm Err: System.IO.IOException: : , .. , - . ---> System.Net.Sockets.SocketException: , .. , -
System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)

System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
EZ_B.EZB.FdnCbVUtAt(Int32  , Byte[] cmdData)

BbytesToExpect: 1 U Received: 0 Disconnected Connection Failed: System.Exception: Controller Not Responding EZ_B.EZB.s0GClSE35W() EZ_B.EZB.Connect(String hostname, Int32 baudRate) Disconnected

Attempting connection on 192.168.1.1:23 Comm Err: System.IO.IOException: : , .. , - . ---> System.Net.Sockets.SocketException: , .. , -
System.Net.Sockets.Socket.Receive(Byte[] buffer, Int32 offset, Int32 size, SocketFlags socketFlags) System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)

System.Net.Sockets.NetworkStream.Read(Byte[] buffer, Int32 offset, Int32 size)
EZ_B.EZB.FdnCbVUtAt(Int32  , Byte[] cmdData)

BbytesToExpect: 1 U Received: 0 Disconnected Connection Failed: System.Exception: Controller Not Responding EZ_B.EZB.s0GClSE35W() EZ_B.EZB.Connect(String hostname, Int32 baudRate) Disconnected