7 Troubleshooting intheField
l Use the information from the UTS dialog to check the following:
Is the UTS tracking?
Does the UTS have adequate power?
l Is the UTS instrument free from vibrations caused by passing machinery or the
wind? Complete the following procedure:
a. Stop the machine.
b. Rest the cutting edge on the ground.
c. To view the Machine Target screen of the Diagnostics – UTS dialog, use
the procedure in 7.3 Running system diagnostics, particularly 7.3.1 UTS
diagnostics.
d. Observe the Northing, Easting, and Elevation values. At a distance of
150m (492ft) you would not expect to see any variation in the Northing
and Easting values, and no more than ±5mm (±0.2inches) variation in
elevation.
l Observe the site and work area, and check the following:
Is the UTS machine target between 15m (50ft) and 300m (985ft) from
the UTS instrument?
Does the UTS instrument have a continuous line of sight to the UTS
target? Check for occasional passing vehicles or dust clouds which could
block the line of sight. Check that the line of sight is maintained for all
machine orientations across the whole work area. Note that if the UTS
machine target is outside the current search window, you can manually
move the UTS instrument while it is searching and point it towards the
UTS machine target.
Is the work area within the search window specified when the UTS
instrument was started?
Are the lenses of the UTS instrument clean?
7.9 Before you contact your dealer
The more information you can provide for the support personnel, the less time it will
take them to solve your problem. It is essential that you provide the following
information:
l A system state “snapshot”. To generate the system state snapshot files, hold
down M and press the fourth softkey from the top.
Note – The system can only store a few minutes worth of data. Make sure you
take the snapshot as soon as possible after encountering a problem.
186 GCS900 GradeControl System for Excavators Operator's Manual
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