
Owner’s Manual
Troubleshooting
10. Troubleshooting
Phenomenon
Analysis
Solution
Terminals cannot be
powered on.
The battery power gets too low to
supply the terminal.
Charge for the battery.
Network registration
fails or network can
not be found.
The terminal is operating in DMO.
Switch to TMO mode.
The terminal gets 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 or the called party is not
within 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 initiated or
received.
The terminal is not a member of the
group.
Check whether the terminal is a
member of the group. If not, contact
your dealer to add the terminal to the
group.
The terminal is not authorized to
access the target group.
Contact the network operator for the
terminal authorization.
Calls are always
interrupted.
The current channel is assigned to
emergency calls or other calls with
higher priority.
Wait until the channel becomes
available and try again.
A half-duplex call can
not be established.
The predefined time period for
establishing a call expires.
Make sure the call is established
within the predefined time period.