Great Plains CTA4000 Operator Manual - Manual (Page 49)

Troubleshooting 45
08/03/2010 160-269M-A
Troubleshooting
This chart primarily covers problems arising from imple-
ment issues, although it does include a few cart items. Also consult the Troubleshooting chart for the cart.
Problem Cause Solution
Planting too little Air leaks Check hopper lids, meter seals, manifold caps
and seed hose connections. Adjust latch and/
or replace seals as needed.
Fan speed too low See “Fan speed is monitored and reported
by the seed monitor, but is manually con-
trolled. The optimum rate depends on the
seed type and treatments. See “Fan Speed
Adjustment” in the cart Operator’s Manual
for further information.Recommended Fan
Speeds” on page 29.
Implement lift switch engaging too
high See “Implement Lift Switch Adjustment” on
page 34.
Excessive field speed Reduce speed
Excessive gaps between imple-
ment passes Adjust markers.
Actual field size is different Verify field size.
Plugged seed hose Clean out seed tube hose.
Remove excess slack in hoses.
Re-route hoses to avoid sharp bends.
Check that metering is actually stopping when
implement is raised. Adjust or replace imple-
ment lift switch.
Plugged opener seed tube Lift up implement, expose bottom of seed tube
and clean out.
Obstruction in meter or seed
tubes (foreign material or
uncleaned seed) Clean meter and seed tube.
Planting too much Meter setting too high Re-check against chart & calibration.
Actual field size is different Verify field size.
Excessive overlap or irregular
shaped field Adjust marker.