Troubleshooting
20
P/N: 1001547-01
Troubleshooting
In Slope Control, Slow Tow Point Cylinder Response in One Direction (Raise or Lower)
Solution:
1. From the Performance Menu, decrease the Valve Offset value of the direction (either Raise or Lower) in which the tow
point cylinder moves faster.
2. If necessary, adjust both the Slope and Elevation Gains in the Performance Menu to increase overall
responsiveness of the valve.
Sensor Readings on the Control Screen Fluctuating Rapidly, and Grade Lights Flash High
and Low and Do Not Stay On-grade
Solution:
1. Check that Trackers are between 14 and 24 inches from reference.
2. If there are gusty winds, lower Tracker closer to reference. Approximately 14 to 16 inches.
3. Move Tracker away from gusty heat source, such as engine fan exhaust.
4. Verify Tracker is not picking up erroneous signals from undesired reference. Example: Debris such as rocks,
parts of the machine obstructing the sonics.
When using Slope Control, do not raise the Valve Offset value of the direction (either Raise or Lower) in which
the tow point cylinder moves slower to compensate for the slow response time, as this can cause overshooting
or undershooting On-grade.
GC-35_QRG.book Page 20 Tuesday, January 31, 2017 3:43 PM
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