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Machine not functioning. (Tractor engine must be running and console power light on.)
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Control console not powered.
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Check electrical connections at 7-pin connector. Check tractor 7-pin connector, clean if necessary.
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Check inline fuses to frame control box.
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Pressure and return hoses not fully engaged in SCV outlets.
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Erratic or uneven lift.
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Frame lift cylinders out of phase.
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Completely lower machine and rephase hydraulic system.
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Machine does not raise.
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Solenoid Y1 not energizing.
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Check for 12 V at the solenoid.
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Check solenoid.
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Valve Y1 stuck closed.
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Clean or replace valve.
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Machine does not raise or lower.
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Check pins 1 and 7 on 7-pin connector at rear of tractor for 12 V.
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See your John Deere Dealer.
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Inspect F3 10 A fuse in frame control harness.
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Repair as needed.
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One or more Y1, Y18, Y19, Y20, Y21 solenoids are not energizing or are stuck.
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Check for 12 V at the solenoid.
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Clean or replace valves.
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| Symptom |
Problem |
Solution |
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Check K35 relay.
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See RELAY AND FUSE LOCATION in Service section. Replace as needed.
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Machine raises or lowers slowly.
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One or more Y18, Y19, Y20, or Y21 valves stuck.
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Clean or replace valve.
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Machine lowers unevenly or center down first.
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One or more Y18, Y19, Y20, or Y21 valves stuck.
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Clean or replace valve.
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Rephase valve on wings malfunctioning.
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Clean or replace valve.
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Machine lowers unevenly or wings down first.
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Rephase valve on main frame malfunctioning.
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Clean or replace valve.
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Machine raises or lowers unevenly from side to side.
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Defective or stuck flow divider valve.
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Clean or replace valve.
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See your John Deere dealer.
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Machine does not fold.
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PLANT-TRANS switch in PLANT position.
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Switch to TRANS position.
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Y9 solenoid not energizing.
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Check solenoid for 12 V.
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Check solenoid.
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Y9 valve stuck closed.
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Clean or replace valve.
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Machine folds when not selected.
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Y9 valve is stuck open.
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Clean or replace valve.
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Machine frame unequal. (Left wing frame higher or lower than right wing frame.)
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Frame lift cylinders out of phase.
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Completely lower machine and rephase hydraulic system.
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Machine center frame higher than wing frames.
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Service locks on center frame wheels.
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Remove service locks.
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Frame lift cylinders out of phase.
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Completely lower machine and rephase hydraulic system.
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Excessive attachment and row unit down force.
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Reduce row unit down force.
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SCV set to constant detent in up position for extended period of time.
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Return SCV to neutral position when raised.
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