Great Plains
| 401-647M | 2019-06-11
Table of Contents
Index
96
3PYPA
Table of Contents
Index
Troubleshooting
Problem
Cause
Solution
Population
Alarms
See “
Population Troubleshooting Charts
” on page 92.
Excess Seed
Remaining
See “
Population Troubleshooting Charts
” on page 92.
Field size different.
After ruling out population problems, re-check geography.
Excessive gaps between planter
passes.
Adjust marker, page 170.
Seed
Consumption Too
High
See “
Population Troubleshooting Charts
” on page 92.
Field size different.
After ruling out population problems, re-check geography.
Excessive overlap.
Irregular shaped field.
Adjust marker, page 170.
Rows Not Planted
If not detected by seed monitor, check
for plugged row-unit seed tube
Lift planter, expose bottom of seed tube and clean out.
Uneven seed
spacing
See “
Population Troubleshooting Charts
” on page 92.
Hydraulic meter drive motor rpm too
low for reliable control by proportional
valve.
1. Increase field speed.
2. Use a seed wheel with lower cell count.
3. Install a low speed kit (page 132).
Excessive field speed.
Reduce field speed.
Unclean seed.
Use clean seed.
Damaged seed tube
Inspect; repair or replace.
Seed-Lok
®
plugging.
Lock up Seed-Lok
®
, page 86.
Row-unit discs not turning.
See “
Row-unit discs not turning freely
” in this Troubleshooting
chart.
Worn/rusted sprockets and/or chain
idler or bearings.
Check and replace any worn/rusted sprockets or chain idlers.
Partially plugged row-unit seed tube.
Lift up planter, expose bottom of seed tube and clean out.
Lack of proper seed lubrication on
seed.
See “
Seed Lubricant
” on page 134.
Planter does not
fold or unfold
fully
Fold cylinders out of phase
Rephase cylinders, refer to page 115
Air in lines
Bleed fold circuit, refer to page 115
Uneven seed
depth
Excessive field speed.
Reduce field speed.
Planting conditions too wet.
Wait until drier weather.
Incorrect coulter depth setting.
See coulter manual or set unit mounted coulter.
Excessive or improper row unit down
pressure spring setting.
See 25 series row-units, page 71.
Damaged seed tubes.
Check seed tubes for damage.
Seed-Lok
®
building up with dirt.
Lock up Seed-Lok
®
, page 86.
Row-unit not penetrating low spots.
Adjust row-unit, see instructions beginning on page 71.
Rough planting conditions.
Rework the field.
Seed firmer not in place and set to
correct tension.
See “
Seed Firmer Adjustments
” on page 85.
