9. Troubleshooting
Phenomenon
Analysis
Solution
Terminals cannot be
powered on.
The battery power gets too low to
power on the terminal.
Charge for the battery.
Network registration
fails or
network cannot be
found.
The terminal may be operating in
DMO.
Switch to TMO mode.
The terminal may get out of the
network coverage (in TMO mode).
Check the signal strength. Make
sure the terminal is within the
network coverage.
The terminal may not be granted
network access.
Contact the network operator for the
terminal authorization.
Calls cannot be
initiated.
The terminal or the called party may
not be within the network coverage.
Check the signal strength. Make
sure the terminal is within the
network coverage.
The terminal may operate in an
improper mode.
Check the operation mode. Make
sure the terminal works in the right
mode.
A certain group call
cannot be initiated or
received.
The terminal may not be 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 may not be 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 may expire.
Make sure the call is established
within the predefined time period.
The channel may be occupied by Wait until the channel becomes
