Eddy Wireless EDW-310BB, User Manual, Page: 16 / 21

SMS format format
The SIM in EDW-310BB has run
out of credit
Replace or top up the SIM card
No SIM card Insert working SIM card. Check in
phone that the SIM can send SMS
message.
SIM card has expired Check in phone that the SIM can
send SMS message. Replace SIM
card if needed.
SIM has PIN code set Remove PIN code by inserting SIM
in you phone and deleting the code.
SIM is warped or damaged Inspect SIM, clean the contacts. If
re-inserting does not help try
another to see if it will work.
Roaming not enabled If you are in a different country your
SIM account must have roaming
enabled.
Problem: SMS received starts with ‘ Last …’
Possible Cause: Resolution:
Unit does not have clear view of the
sky
Move the antenna of the unit to a
location where the sky is visible.
EDW-310BB is in an inner place Wait for the target to come out
Battery is low Recharge the unit and the GPS will
start working.
Problem :Cannot receive /send GPRS package
Possible cause
APN is not setting correctly
Check local telecommunication
provider and set the correct APN
APN is longer than 14 characters Use SMS command to setting
APN ,instead of configuration tool
Local firewall block GPRS package Check with IT and close firewall
SIM card cannot support GPRS
function
Check with local telecommunication
provider
Problem: Continuous sending
logon info
Possible cause:
Power isnot enough that the tracker
continuous reset
Charge the tracker at least 3 hours
GSM signal is too weak Check if the blue led is light for 0.1s
and dark for 2.9s.If yes, it proves
the GSM signal is too weak. Please
put the GSM and GPS antenna to
outdoor.
Problem: Preset number for SOS
button cannot work
Possible cause
SMS format is unique ,adding
country ,city info
Check local telecommunication
provider to get local SMS format