Section 4: Troubleshooting
Revision 1.4 38 © 2009 Intuicom, Inc.
Issue Possible Cause(s) Solution
SVR LED blinks on-off slowly
(Unit appears to connect, but the
SVR light goes on and off for a
period before the MDM light goes
off and the unit reboots).
Incorrect username and/or
password
Username already in use on GNSS
server and GNSS server configured
to not allow multiple simultaneous
logins
Obtain the correct username and
password for your account on the
GNSS server.
Obtain another username/password
(account) or request the GNSS server
administrator allow multiple
simultaneous logins for your
username/password
SVR LED on, but no TXT LED and
then reboots.
(Unit unable to connect to NTRIP
mountpoint – source table
continuously displayed (via Config
port status output) )
Incorrect mountpoint configuration Select valid NTRIP mountpoint
SVR LED on, but no TXT LED
Unit able to establish connection to
TCP port, and to configured
mountpoint, but no correction
messages are streamed
Valid GPS stream required to be
sent to server to obtain corrections
No data available from server
Turn on the Sending of GPS
messages to server
Confirm correction server is
operational and capable of outputting
corrections on selected
port/Mountpoint
TXT LED is blinking (correctly) but
the GNSS Rover is not indicating
successful reception of RTK
correction messages
The baud rate between RTK
Bridge and GNSS Rover are
mismatched
The GNSS RTK message type
from the GNSS Server does not
match the message type configured
for the Rover GNSS unit
Confirm proper baud rate on both
devices (matching)
Confirm matching message type on
both sides. Change the message type
on the Rover GNSS unit and/or the
mountpoint from the GNSS Server
Remote RTK Rover units unable to
establish link via wireless embedded
radio
Channel Configuration incorrect
Wrong channel selected
No antenna, or bad antenna
Confirm both the RTK Bridge and
Rovers have channel configurations
that match, and have the same
channel selected.
Confirm good antenna/transmission
line
Remote RTK Rover units link, but
do not receive correction messages
Correction stream not valid for
Rover configuration
Rover not configured to receive the
correction message type being
broadcast
Check correction message type and
rover configuration – either the
correction type on the rover may
need to be changed, or the RTK
Bridge may need to connect to a
different NTRIP mountpoint or
socket.
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