Troubleshooting
Topcon Paver System Five Operator’s Manual
9-16
5. Make sure slope sensor is mounted directly to the
Transverse Beam and is not elevated or supported by
additional brackets.
Slope Sensor Symptom 4
“Cross Slope will not lock On-Grade.”
Probable Cause
Loose Transverse Beam or incorrect Performance Setting
adjustments.
1. Verify that the Slope Sensor is not moving or vibrating
when trying to survey slope on grade.
2. Slope deadband setting is too low, factory setting is
.075%.
3. Stop the paver, make sure the screed is on the ground
and turn the vibrators off. Press Survey and hold for 2
seconds. IND will display on the faceplate and a slope
value will appear in the LCD. The number should stay
constant or change up or down by a few counts. If the
numbers fluctuate significantly then the slope sensor is
probably the problem.
Slope Sensor Symptom 5
“The Cross Slope being laid is not correct.”
Probable Cause
Calibration in Slope Sensor is incorrect.
1. Calibrate the Slope Sensor as described in “Daily Cross
Slope Calibration” in the Function and Operations
section.
2. Check that the Transverse Beam is mounted according
to the manufacturer’s instructions and that it is not
loose or damaged.
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