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Marker floats off ground.
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Machine not down.
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Machine must be completely down as lift system oil will raise marker as machine goes down.
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Leaking tractor SCV.
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-
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Markers not alternating in automatic mode.
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Marker alternating switch on right-hand inner wing wheel malfunctioning.
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Fully raise machine and check if marker alternating switch is damaged or broken.
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Left marker lowers when not selected.
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Valve Y5 stuck open.
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Check for 12V at solenoid.
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Check solenoid
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Right marker lowers when not selected.
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Valve Y6 stuck open.
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Check for 12V at solenoid.
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Check solenoid
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Left marker won't lower.
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No power to control box.
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Check seven pin connector.
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Check inline fuses.
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Valve Y5 not energized.
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Check for 12V at solenoid.
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Check solenoid.
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Valve Y5 is stuck closed.
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Clean or replace valve.
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Check position of switches on frame control box.
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Activate switches if incorrect.
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Check mercury switches in pivot area.
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Repair broken wires.
|
| Symptom |
Problem |
Solution |
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Carrier damaged or jammed.
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|
Right marker won't lower.
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No power to control box.
|
Check seven pin connector.
|
|
|
|
Check inline fuses.
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|
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Valve Y6 not energized.
|
Check for 12V at solenoid.
|
|
|
|
Check solenoid.
|
|
|
Valve Y6 is stuck closed.
|
Clean or replace valve.
|
|
|
Check position of switches on frame control box.
|
Activate switches if incorrect.
|
|
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Check mercury switches in pivot area.
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Repair broken wires.
|
|
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Carrier jammed.
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Marker operating too fast.
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Verify that there is an orifice fitting in the rod end of the cylinder.
|
Install orifice fitting in rod end of the cylinder.
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|
|
Air in hydraulic system.
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Disconnect cylinder and cycle cylinder to eliminate air.
|
|
Nuisance breakaways.
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Marker disk too aggressive.
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Reduce angle of marker disk blade.
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Can't see marker mark in field.
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Marker disk angle not aggressive enough.
|
Increase angle of marker disk blade.
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