RST973 IN-VEHICLE INSTALLATION & USER MANUAL
57
Troubleshooting the RST973
This chapter provides information to help you troubleshoot problems you may
encounter while running the RST973.
Q
No power on RST973
A
Check power is connected to the terminal and the HFI units.
Q
RST973 fails to register with the Iridium service after 30 seconds
A
Check power connection
Check Antenna connection and location
Ensure SIM is inserted
Check correct power supply is being used
Q
There is no Display on the Intelligent Handset
A
Check if it is connected to the Handset connector. Try resetting the
terminal by pressing the reset button.
Q
There is no Audio from the Speaker
A
Check that the speaker connector is installed directly to the HFI kit.
Check the signal strength on the intelligent handset
Q
You can’t make calls.
A
Check that the antenna is properly mounted.
Do you have a clear view of the sky?
Did you enter the number in international format?
All calls made from the Iridium® System require a special calling
sequence, please refer to your Service Provider for these details.
Check the signal strength meter. If the signal is weak, move the vehicle
to a more open area.
Check the Network Selection settings.
Check your Operator coverage map.
Is R e s t r i c t e d displayed? Check the Call Barring setting.
Has a new SIM card been inserted?