Troubleshooting in theField 7
Message Problem Solution
Check Radio Channel The radio network ID/channel
number combination set up for
your system is also being used by
another machine within radio
range.
Contact your site supervisor.
Level UTS and Check
UTS Setup
The tilt compensator on the UTS
instrument is out of range.
Stop the UTS positioning on the machine, remove power
to the instrument, and repeat the instrument setup, making
sure the instrument is level. Power up the instrument, and
repeat the SPSx30 setup.
Multiple UTS
Detected
The radio network ID/channel
number combination set up for
your machine and instrument is
also being used by another
instrument within radio range.
Contact your site supervisor.
No UTS Data The UTS is not currently
operating as part of the system.
To check that the UTS system is running and tracking the
machine, use the procedure in 7.3 Running system
diagnostics, particularly 7.3.1 UTS diagnostics. Check
that the target ID is set correctly.
To check the MT900 machine target ID, use the procedure
in 5.2.8 Starting the UTS system.
Search For Machine
Target
The UTS instrument lost lock on
the target, or was unable to
acquire the target after searching.
Check that there is a clear line of sight between the
instrument and the target, that the target is within range of
the instrument, and that the machine is within the search
window and then search for the machine target, using the
procedure in
5.5.5 Reacquiring UTS lock
.
Start UTS The UTS system is not providing
guidance data.
To start the UTS system, use the procedure in
5.2.8
Starting the UTS system
.
7.4.3 GNSS warning messages
Message Problem Solution
Check Machine Radio The system cannot communicate
with the machine’s data radio.
To check that the data radio has been detected, use the
procedure in 7.3 Running system diagnostics.
To check that the radio is powered, use the information in
7.3 Running system diagnostics
Check the cable to the radio.
Table 7.4 — GNSS warning messages
GCS900 Grade Control System for Excavators Operator's Manual 167
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