Machine Unfolded

IMPORTANT: Before performing any of these checks, be sure hydraulic SCV's are set to maximum flow, the frame control console has power (backlight is on), cleanout switch set in PLANT position, and the proper buttons are being pushed for the desired function to be performed.

Symptom Problem Solution

Machine not functioning. (Tractor engine must be running and console power light on.)

Control console not powered.

Check electrical connections at 7-pin connector. Check tractor 7-pin connector, clean if necessary.

Check inline fuses to frame control box.

Pressure and return hoses not fully engaged in SCV outlets.

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Erratic or uneven lift.

Air in hydraulic system.

Completely lower machine and rephase hydraulic system.

Wings won't rephase.

Wrong centerframe rephasing valve.

Change to 1200 PSI centerframe rephasing valve.

Centerframe raises into high transport over time.

Wrong centerframe rephasing valve.

Change 7A and 7B center frame rephasing valves to 1200 PSI valves.

Tractor in raised detent for extended period of time.

Normal operation. Take tractor out of raise detent. Lower planter to rephase hydraulics.

Machine will not raise.

Tractor SCV bypassing oil.

Adjust SCV lever linkage. (See Tractor Operator's Manual.)

Solenoid Y1 not energizing.

Check for 12V at the solenoid.

Check solenoid.

Valve Y1 stuck closed.

Clean or replace valve.

Machine doesn't raise or lower.

Check pins 1 and 7 on tractor/planter 7 pin connector for 12 volts.

See your John Deere Dealer.

720016ROM,TS,A -19-14FEB06-1/3


Symptom Problem Solution

Inspect F3 10 amp fuse in frame control harness.

Replace as needed.

Y1, Y18, Y19, Y20, Y21 solenoids is not energizing or is stuck.

Check for 12V at the solenoid.

Clean or replace valves.

Check K35 relay.

See RELAY AND FUSE LOCATION in Service section. Replace as needed.

Machine raises or lowers very slowly.

Y18. Y19, Y20 and Y21 valves stuck.

Clean or replace valve.

Machine lowers uneven/center down first.

Y18. Y19, Y20 and Y21 valves stuck.

Clean or replace valve.

Rephase valve on wings malfunctioning.

Clean or replace valve.

Machine lowers uneven/wings down first.

Rephase valve on main frame.

Clean or replace valve.

Machine raises/lowers uneven from side to side.

Defective or stuck flow divider valve (9).

Clean or replace valve.

See your John Deere dealer.

Machine will not fold.

PLANT/TRANSPORT switch in PLANT position.

Switch to TRANSPORT position.

Y9 solenoid not energizing.

Check solenoid for 12V.

Check solenoid.

Y9 valve stuck closed.

Clean or replace valve.

Machine folds when not selected.

Y9 valve is stuck open.

Clean or replace valve.

Machine folds too fast.

Verify there is an orifice fitting in the rod end of the fold cylinders.

Install orifice fitting if missing.

Machine frame unequal. (Left wing frame higher or lower than right wing frame.)

Air in hydraulic system.

Completely lower machine and rephase hydraulic system.

720016ROM,TS,A -19-14FEB06-2/3


Symptom Problem Solution

Machine center frame higher than wing frames.

Service locks on center frame wheels.

Remove service locks.

Air in hydraulic system.

Completely lower machine and rephase hydraulic system.

Excessive attachment and planting unit down force.

Reduce spring force on unit down force springs, openers (attachments).

Too much down force.

Reduce down force.

SCV set to constant detent in up position for extended period of time.

Return SCV to neutral position when raised.

Wings bulldoze in soft soil conditions.

Frame height too low.

Increase frame height with wheel module adjustment.

Disk openers, gauge wheels or transport wheels must rotate freely.

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Planting too fast.

Reduce operating speed.

Hitch too low.

Raise and level hitch.

Too much down force.

Reduce down force.

720016ROM,TS,A -19-14FEB06-3/3