GPS Tracker TK-203 - Faults & Solutions

ZY INTERNATIONAL LIMITED GPSTrackerManual_TK203
16
7 Faults & Solutions
Faults Solution
No info display
Check the battery and see if it is fully charged or
correctly installed.
No SMS reply
In existence of an authorized number, an unauthorized
number dials up the unit . Please initialize the unit and re-
set
up the authorized numbers.
Hangup Fail
Take out the battery and then insert it to restart up in 5
minutes later.
Location report in
digits of zeros.
Don’t use it in the place beyond reach of signals. Place the
unit outdoors, especially when starting it up.
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