Great Plains YP1630F-1670 Operator Manual User Manual
Page 72
68
YP1630F
Great Plains Manufacturing, Inc.
401-832M
2012-12-27
Seed Population Related
Problem
Cause
Solution
Overall
Population
Alarms
False alarms or actual rate errors due to
monitor setup with incorrect [active] row
count or spacing
When troubleshooting population issues, always first
rule out seed monitor setup. Review planter
configuration and monitor setup.
Incorrect cell count
Replace seed disks with correct disks, or reset rate for
current disks (if within range).
Improper gap on speed sensor.
Check speed sensor on planter for
1
⁄
16
inch to
1
⁄
8
inch
(1.6 to 3.2 mm) gap from wheel. Improper gap can
cause erratic speed signal causing monitor to falsely
report improper planting rate.
Incorrect speed sensor constant
Perform speed calibration per PM400 monitor manual.
Seed too
shallow or
scattered on
ground from a
single row
Bottom of seed tube damaged.
Replace seed tube. Avoid setting planter straight down.
Use forward motion when lowering.
Row not penetrating in tire tracks.
Increase down force on parallel arm springs.
Opener depth too shallow.
Change side depth wheel setting.
Fertilizer Delivery Troubleshooting
Problem
Cause
Solution
Planter-Wide
Blockage
Material pooling in hose sags or flat runs.
Increase manifold pressure (page 42).
Moisture in hopper has coagulated
material above meter.
Out of fertilizer.
Add fertilizer.
Single or
multiple hoses
plugging just
ahead of
airbox.
Fan speed too high/too low.
Check/adjust fan speed.
Possible air leak.
Check for air leak downstream between box and top of
meter.
1, 2, 3, or more
outlets fail.
Outlets can be
side-by-side or
random.
Plugging may
also move
from one outlet
to another.
Foreign matter in chamber in bottom of
airbox.
Clean out chamber.