COBAN GROUP TK309 - Attentions; Device Light; Device Failed Location; Device Cannot Track on Platform

◆Attentions
◆
Device light
1
）
No yellow light: failed to read SIM card, need reinstall SIM card. 2
）
Blue
light flash: no GPS signal, make sure device started outside. 3
）
Three lights off:
lights entered sleep mode, make a call or move device can wake up.
◆Device failed located
1）Failed located: message replied with all 0, make sure device started outside
not in room.
2）Can’t reach the call: make sure SIM card has balance and installed
Properly and opened the switch.
◆Device can’t track on platform
1) Check three lights are stable on.
2) Make sure device can work and reply valid tracking long&Lat in SMS.
3) Send SMS #check#123456# , it will reply you device setting
status to check IP,Port,APN etc.