Troubleshooting
| Symptom | Potential Cause | Remedy | ||
Laser Grading Box does not raise | Control Panel not turned on. | Apply power. | ||
or lower. | No hydraulic flow to Laser Grad- | Ensure hydraulic control handle | ||
| ing Box. | of skid steer or tractor is in | ||
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| correct position. | ||
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| Ensure auxiliary hydraulics are | ||
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| ON or in continuous flow | ||
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| mode. | ||
| Cables not connected correctly. | Refer to the automatic control | ||
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| system documentation. | ||
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| Move directional valve spool | ||
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| manually using the overrides | ||
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| on the end of the directional | ||
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| valve. | ||
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| Be sure to stay clear of any |
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| moving parts of the Laser |
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| Grading Box. |
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| If the Laser Grading Box |
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| moves, refer to Electrical |
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| problems. If the Laser Grading |
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| Box does not move, refer to |
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| Hydraulic problems. |
| Electrical Problems | Refer to the automatic control |
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| system documentation. |
| Hydraulic problems. | Confirm hydraulic flow through |
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| the manifold and returning to |
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| the power source through the |
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| “T” hose. |
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| Contact ATI Corporation for help |
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| troubleshooting the hydraulic |
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| manifold. |
Laser Grading Box moves in | Hydraulic flow reversed. | Confirm the pressure is going in |
opposite direction. |
| the “P” port. |
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| Verify control handle is moving in |
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| desired direction. |
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