User guide

File Name: MEITRACK VT310 User Guide Creator: Cavana Cheung
Project: VT310 Creation Date:
Update Date:
2010-08-26
2012-08-02
Sub Project:
User Guide
Page:
- 29 - of 30
Revision: V7.4 Confidential: External Documentation
Copyright © 2012 Shenzhen Meiligao Electronics Co., Ltd. All rights reserved.
- 29 -
Problem: Unit will not reply with SMS
Possible Cause: Resolution:
Green LED is flashing (1 second on and 2 seconds off) Make sure VT310 is connected to GSM network
GSM Network is slow Some GSM networks slow down during peak time or when they have equipment problems
Unit is sleeping or in power down mode Cancel sleeping mode or power down
Wrong password in your SMS or wrong SMS format Write correct password or SMS format
The SIM has run out of credit Replace or top up the SIM card
Problem: Green LED is Flashing (1 second on and 2 seconds off)
Possible Cause: Resolution:
No GSM signal Check with a mobile phone to see if there is a signal in the area or try to call the unit to see
if you hear a ring tone
No SIM card Insert a 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 your 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
Battery is low Recharge the unit and the GSM will start working
Problem: Blue LED is Flashing (1 second on and 2 seconds off) or the SMS received starts with ‘Last…’
Possible Cause: Resolution:
Unit does not have clear view of the sky Move the unit to a location where the sky is visible. Tall buildings, trees, and heavy rain can
cause problems with the GPS reception.
Bad GPS reception Place the front side of VT310 towards sky
Battery is low Recharge the unit and the GPS will start working.
Problem: Unit Fails to Connect to Server via GPRS
Possible Cause:
Resolution:
SIM card in device does not support GPRS function Enable SIM card GPRS function
GPRS function of VT310 is turned off Turn on GPRS function
Incorrect IP address or PORT Get the right IP address and PORT and reset
GSM signal is weak Move the unit to a location with good GSM reception
Problem: Unit will not turn on
Possible Cause: Resolution:
Wiring was not connected properly Check and make sure wiring connection is in order
Battery needs charging Recharge battery
Problem: Unit will not respond to SMS
Possible Cause: Resolution:
GSM antenna was not installed properly Make VT310 connected to GSM network
GSM Network is slow Some GSM networks slow down during peak time or when they have equipment problems
Unit is sleeping Cancel sleeping mode
Wrong password in your SMS or wrong SMS format Write correct password or SMS format