Sinotrack ST-905 - FAQ and processing methods

12
8. FAQ and processing methods.
FAQ
Instructions/Solutions
Fail to turn it on
Please check if battery is charged
No GSM signal
⚫ Please check if SIM card installed correctly.
⚫ Please check if SIM card is GSM network.
⚫ Don’t turn on the PIN code
⚫ no calls can be diverted
⚫ Please check if voltage of the power is normal
⚫ Please check if voltage of the power is normal
No GPS
A more open view of the sky is recommended to make
sure the device can receive the GPS signal normally.
No reply to SMS
command
Password wrong or the format is wrong.
No reply to calling &
No alarm message
Authorized / admin phone number is incorrect or has
not setup
SMS position OK,
cannot use the APP
and web platform
Please check if APN is correctly set. And please find out
the correct APN content of the SIM card. (Please refer
to 6 setting.)
Platform position is
difference from the
actual position.
No upload position time or GPS signal: call the device
phone number and receive the position message. If it
no GPS signal. The position is the last GPS positioning
location; If it has GPS signal, it means the device
doesn’t reach the uploading time.