Troubleshooting
Owner’s Manual
24
10. Troubleshooting
Phenomenon
Analysis
Solution
Terminals cannot be
powered on.
The power cord is connected
improperly.
Connect the power cord correctly.
An abnormal voltage is output from
the vehicle battery.
Check the battery strength.
The power cord is damaged.
Replace the power cord with a new
one.
The terminal and the remote control
head are connected improperly (for
mobile terminal (remote
mounted)only).
Replace the remote mounting cable
with a new one and connect the
terminal to the remote control head
correctly.
Network registration
fails or network can
not be found.
The terminal is operating in DMO .
Switch to TMO mode.
The terminal is out of the network
coverage in TMO.
Check the signal strength. Make
sure the terminal is within the
network coverage.
The terminal is not granted network
access.
Contact the network operator for the
terminal authorization.
Calls cannot be
initiated.
The terminal is out of the network
coverage.
Check the signal strength. Make
sure the terminal is within the
network coverage.
The terminal operates in an improper
mode.
Check the operation mode. Make
sure the terminal works in the right
mode.
A group call can not
be sent or received.
The terminal is not a member of the
target group.
Check whether the terminal is a
member of the group. If not, contact
your dealer to add the terminal to the
group.