Troubleshooting - I-Trac GTLT2 User Manual

Set APN
Remarks:
1.If no APN username and password are required, just input APN only.
2. Use format 2 if your APN requires APN user name and APN password.
3. APN defaulted as 'CMNET'; APN is gateway to connect internet, Each country is different, please contact your SIM card provider for APN name.
Set IP and Port
Remarks: IP is your server's IP and Port.
Upload in preset interval when car
moving
1. T=GPRS Upload Interval, from 5 to 65535 in the unit of second.
2. N= GPRS Upload Time from 1-50.
In this example: GTLT2 will send location every 60 seconds, 1 location reports every time.
Upload in preset interval when car stops
3. T=GPRS Upload Interval, from 5 to 65535 in the unit of second.
4. N= GPRS Upload Time from 1-50.
In this example: GTLT2 will send location every 60 seconds, 1 location reports every time.
Read All Parameters
Remarks: This is the command to read all the present parameters including sms/gprs mode,interval,ip,port.etc.
Problem: Unit will not turn on
Possible Cause:
Wiring was not connected properly
Battery needs charging
Problem: Unit will not respond to SMS
Possible Cause:
GSM antenna was not installed properly
GSM Network is slow
Unit is sleeping
Wrong password in your SMS or wrong SMS format
The SIM in GTLT2 has run out of credit
No SIM card
GTLT2 USER MANUAL,
Format 1:#803#****#APN##
Format 2:#803#****#APN# APN user
name#APN password ##
#804#****#IP # port ##
#805#****#T # N ##
#809#****#T # N ##
*RCONF#

7.Troubleshooting

Resolution:
Check and make sure wiring connection is in order.
Recharge battery
Resolution:
Make GTLT2 connected to GSM network.
Some GSM networks slow down during peak time or when they have equipment problems.
Cancel sleeping mode
Write correct password or SMS format
Replace or top up the SIM card
Insert a working SIM card. Check in phone that the SIM can send SMS message.
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#803#0000#CMNET##
#803#0000# APN# APN user name#APN password ##
#804#0000#119.146.223.203#8886##
#805#0000#60#1##
#809#0000#60#1##
*RCONF#