Clean sensors. See CLEANING SEED SENSOR in Service section.

Fill hoppers.

No vacuum.

See Low Vacuum under VACUUM METER in Troubleshooting section.

Seed tubes plugged or damaged.

Inspect seed tubes.

Clean seed disks.

Farmer-applied seed treatment causes buildup, seeds stick.

Follow recommended usage and application procedure.

Worn meter brushes.

Replace brushes.

Low vacuum.

See Low Vacuum under VACUUM METER in Troubleshooting section.

Rusty planting unit or seed drive chains.

Lubricate chains and check for freedom of movement.

Dirt build-up on herbicide or insecticide drive.

Clean drive.

Worn meter seals.

Replace seals.

Seed disk hubs misadjusted.

Readjust hubs.

Incorrect vacuum.

Adjust vacuum level to recommended setting.

Faulty vacuum gauge.

Check air line to gauge. Repair as needed.

Worn seed disks.

Replace disks.

Seed tubes improperly installed or worn.

Reinstall or replace seed tubes. Ensure that seed tube hook is properly positioned in unit shank.

Worn seed tube guard.

Replace guard.

Treated seed sticking in cell.

Increase application rate of John Deere Talc Lubricant.

Seed disks have not been sprayed with Graphite Lubricant.

Spray seed disks with Spray on Graphite Lubricant TY25797.

Clean seed tubes and sensors.

Seed disk vacuum holes plugged.

Clean seed disks.

Flat Type Disk: Install seed knockout assembly or replace worn seed knockout assembly.

“Dirty” seed plugging vacuum holes.

Use clean seed.

Flat Type Disk: Install seed knockout assembly or replace worn seed knockout assembly.

Seed disk wiper missing.

Replace wiper.

“Treated” seed sticking in cells.

Add John Deere Talc Lubricant to seed hoppers.

Farmer-applied seed treatment causes buildup, seeds stick.

Follow recommended usage and application procedure.

Rusty planting unit chains.

Lubricate chains and check for freedom of movement.

Low vacuum.

See Low Vacuum under VACUUM METER in Troubleshooting section.

Dirt build-up on herbicide or insecticide drives.

Clean drives.

Worn meter seals.

Replace seals.

Worn seed disks.

Replace seed disks.

Seed “bridging” in hopper.

Add John Deere Talc Lubricant to seed hoppers.

Clean vacuum meter and hopper.

Seed “bridging” in meter.

Open meter baffle.

Add John Deere Talc Lubricant to seed hoppers.

Clean vacuum meter and hopper.

Seed size not compatible with seed disks.

Use correct seed disks.

Vacuum level too low.

Increase vacuum level.

Planting too fast for rough field conditions.

Plant at speed recommended in planting rate chart.

Increase unit down force.

Meter brush improperly installed or worn.

Install brush properly or replace.

Using incorrect double eliminator setting.

Reduce double eliminator coverage of vacuum hole.

Adjust vacuum level.

Faulty vacuum sensor.

Check air line to sensor. Clean if plugged. Replace if cut.

Worn seed disks.

Replace seed disks.

Seed size not compatible with seed disks.

Use correct seed disks.

Meter brush improperly installed.

Install brush properly.

Seed disk hubs loose.

Adjust hubs.

Using incorrect double eliminator setting.

Increase double eliminator coverage of vacuum hole.

Lower machine while moving forward.

Turning tractor steering wheel when machine is down and stationary. (Four Wheel Drive tractors only.)

Avoid turning tractor when machine is down and stationary.

Use down force attachment on planting units.

Seed tubes partially plugged or improperly installed.

Inspect seed tubes. Ensure that seed tubes are hooked properly in unit shank.

Reduce planting speed.

Verify connections.

High case drain pressure.

Check for 25 psi or less back pressure at motor.

Shutting SCV off to neutral.

Shut off SCV to “float”.

Verify connections.

Planting unit vacuum hoses not connected to meter.

Connect vacuum hoses to meter.

Control valve misadjusted.

Adjust control valve knob.

Air manifold system clogged with dust.

Clean air manifold system.

Manifold hoses kinked or pinched.

Reposition hoses.

Blower guard clogged with dust or seed treatments.

Clean blower guard.

Meter housing handle not engaged.

Attach housing handle to chamber.

Meter seals worn or damaged.

Inspect seals. Reposition or replace.

Air manifold system assembled without O-rings.

Add O-rings.

Clean air manifold system.

Control valve failed.

Replace control valve.

Tractor oil level low.

Add oil.

Zero adjustment. See ZEROING VACUUM SENSOR in SeedStar™ Operator’s manual.

WP29706,000037E-19-20120530