PF3000 Cotton Yield Monitor
Troubleshooting
Ag Leader Technology
March 2002
Problem Cause Solution
Lbs/ac Yield Too High
or Low.
Average and
instantaneous yields
do not agree.
See "Average and Instantaneous Yield Do Not
Agree" in this section.
You are not counting
the correct amount of
acres.
Display AREA on the screen of the PF3000 to
show the total acres. If they are incorrect for the
field of load, see "Incorrect Acre Counting" in this
section.
Weight in pounds is
inaccurate.
See "Incorrect Cotton Weight (lbs)" in this section.
The cab, distribution,
or flow sensor cables
connection is bad, or
the flow sensor is
bad.
Check cab, distribution and flow sensor cable for
loose connections or cable damage.
The Box Cal, or
Voltage Cal number
has changed.
To view Box Cal, and the Voltage Cal number,
press MENU, SETUP and CONSOLE keys. Check
each value against the Initial Calibration Sheet.
None of the values should change unless the
monitor was changed. If the monitor was changed
and these values have not changed, all new loads
must be set to a different calibration set (e.g.,
COTTON to COTTON 3) and calibrate the
monitor for cotton weight and for that cotton type.
To change the voltage or box calibration values,
highlight the selection and then press EDIT to
change the settings, using the up/down arrows to
change the values.
Yield in Lbs/ac is Always
Zero
Zero flow in lbs/hr. Push Display Selections key, push the right/left
Menu Selection keys until COTTON FLOW is
displayed and push key. If the value is zero or
erratic, refer to "Fan Speed is Zero or Erratic" in
this section
Acres are not being
counted.
Push Display Selection key, push right/left Menu
Selection key until AREA is displayed and push
key. If this is incorrect for the field of load, refer
to "Incorrect Acre Counting" in this section.
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