96 DSM 132/132RS Receiver User Guide

Figure A.4 Thales troubleshooting flowchart

START HERE

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Check the receiver or
AgRemote Home
screen for GPS
reception. Is the
receiver tracking at
least 4 satellites?
Does the receiver or
AgRemote Home
screen display S for
DGPS satellite only
mode?
Make sure that your
Thales subscription
service is current and
correctly configured.
Wait one minute.
Does the receiver or
AgRemote Home
screen now display
D/3D (3D position)?
The system appears
to be working
correctly. If the
problem persists,
contact your local
Trimble Reseller.
No
Yes
See the GPS Reception
Troubleshooting Guide.
When GPS satellite
reception is resolved,
return to this guide.
Check the Home
screen for satellite
signal strength. Is the
S/N (signal to noise
ratio) 6 or more?
Check the Thales Srv
Info screen. Does it
display User Enabled?
Does the screen display
Access Unkown?
The problem is
unresolved.
Contact Thales for
assistance with
activating the system.
Something may be
interfering with the Thales
satellite signal.
Check the Age of DGPS /
Age of Synch screen. Is
the DGPS age 10 or more?
Is the Synch age 3 or less?
Navigate to the Thales
Srv Info screen appears.
Press 4 until Merit
Figure appears. Is Merit
Figure greater than 90%?
Press 2 until the Thales
Srv Info screen appears.
Does the screen display
either:
Access Confirmed
Received Data
Press 4 again. Does the
screen display No Decoder
Available?
The problem is
unresolved. Contact your
local Trimble Reseller.
The Thales signal is good but
the receiver may be on the edge
of geographic coverage.
See Ch 4 to reconfigure the
coverage beam.
If the problem persists, contact
your local Trimble Reseller.
Check the Ch Sv S/N E I
Azm screen.
Does the screen display * for
satellite corrections?
Press 4 one or more times to
view each satellite in turn.
Is the receiver tracking least 4
satellites with corrections?
The receiver does not have
enough corrections to
compute a position.
Navigate to the Thales Stns
screen. Change to Use
Closest Station.
If the problem persists,
contact your local
Trimble Reseller.
Turn off the machine
engine (combine or tractor)
but maintain power to the
GPS receiver. Wait
five minutes.
Return to the Home screen
and check GPS reception.
Are you receiving at least
4 satellites?
The problem is
unresolved.
Contact your local
Trimble Reseller.
Turn on the machine
engine and check the
Home screen. Do the
satellites disappear?
The problem may be
caused by excessive
engine noise.
If the problem persists,
contact your local Trimble
Reseller.
You are receiving GPS
satillite signals but you are
not receiving Thales
corrections.
Contact your local Trimble
Reseller.
Set up and switch on the
receiver. Wait 45 minutes
for communication from
Thales.
If the problem persists,
contact your local Trimble
Reseller.
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A.1
Thales Troubleshooting Flowchart