Trouble Shooting - Bofan PT502 User Manual

Set Time Interval
Command <password>GTI<Time Interval>,<Distant Interval>, <Angle>,<0>,<ACC Ratio>
Remarks Time Interval =[5-65535] (unit: second); 0,to turn off this function
Distant Interval =[100-65535]，(unit: meter, suggest Distant Interval >500); 0, to turn off
this function
Angle= [15-360], (unit: degree, suggest Angle > 30 ); 0, to turn off this function
ACC Ratio≧1 only integer; 0, to turn off this function
NOT suggest use all Distant Interval and Angle and Move Ratio and ACC Ratio if you don't
have special needs.

7. Trouble Shooting

Problem: Device can't power on
Possible Cause:
Wiring was not connected properly
Battery needs charging
Problem: Device doesn't respond to SMS
Possible Cause:
GSM antenna was not installed properly
Low power
GSM Network is slow
Wrong password in your SMS or wrong SMS format Write correct password or SMS format
The SIM in PT502 runs out of credit
No SIM card
SIM card has expired
SIM has PIN code set
SIM is warped or damaged
Roaming not enabled
Problem: Reply SMS starts with 'Last...'
Possible Cause:
PT502 does not have clear view of the sky
PT502 is indoor
Battery power is low
Problem: Can't real-time tracking on platform
Possible Cause:
GPRS setting is not correct.
Resolution:
Check and make sure wiring connection is in order.
Recharge battery
Resolution:
Make PT502 in good GSM network coverage.
Connect the power cable to car battery directly or use
12V charger to charge it for 3hours at least
Wait for SMS. Sometimes GSM network slows down
during peak time or base has problem.
Recharge credit of the SIM card
Insert working SIM card. Check in phone that the SIM
can send SMS message.
Check in phone if the SIM card can send SMS
message. Replace SIM card if need.
Remove PIN code by inserting SIM card in your
phone and deleting the code.
Inspect SIM card, clean the contacts. If re-installing
does not help, try another to check
If you are in another country, your SIM card must have
roaming service enabled.
Resolution:
Move the antenna of the unit to a location where the
sky is visible.
Make it work in an open area outside
Recharge device
Resolution:
Please set each step strictly according to user
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