Spraying Systems Co TeeJet 844-E, Руководство пользователя

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844-E Sprayer Control
Condition Possible Cause Solution
6 . Application Rate Units (GPA, G/1000
ft
2
I/Ha) continually flash on/off
A. Speed sensor not calibrated
correctly
Recalibrate the magnetic or radar speed pulses in the Calibrate Speed section of the
System Setup Mode on page 18 of the 844 Installation Manual
B.
Incorrect nozzle spacing Check the Nozzle Spacing section in the System Setup Mode on page 15 of the
844 Installation Manual to ensure the correct nozzle spacing has been entered. This
number should reflect the distance between nozzles in inches or (cm) on the boom.
If banding, enter the band width as your spacing.
If directed spraying enter the row spacing divided by the number of nozzles per row
C.
Incorrect capacity nozzles The Nozzle Selection section in the Application Setup Mode on page 21 of the 844
Installation Manual does not match closely enough to the tips on the boom. Compare
the value in this section with the flow rate of the nozzles being used at 40 psi (2 bar).
D.
Flow meter pulses incorrect In the System Setup mode, move to the Flow meter Pulses section on page 14 of the
844 Installation manual. Enter the factory flow meter pulse rate located on the tag
accompanying the flow meter.
It might be necessary to recalibrate the flow meter. Follow the flow meter calibration
procedure(s) on pages 30-32 of this manual.
E.
Speed sensor installed incorrectly One or more of the wheel sensor magnets are not consistently sending a pulse to the
monitor.
The distance between the sensor and the magnets is incorrect. Ground debris can
accidentally move the sensor out of position. The red LED on the back side of the
sensor should be lit when placed within the correct distance form the magnets.
A proximity sensor has an orange LED on the top of the sensor that should be lit when
placed within the correct distance from the sensing surface.
F.
Radar installed incorrectly Precise installation of the Radar is critical to it working correctly. Thoroughly review the
manual provided with the Radar sensor you are using.
7 . No regulation in Auto Mode A. No speed sensing Check speed sensor to ensure it is sending pulses to the controller. Check the
Calibrate Speed section in the System Setup Mode on page 18 of the 844 Installation
Manual to ensure speed sensors are correctly calibrated.
B. Regulating valve malfunction Check wiring from controller to the regulating valve. Make sure there is voltage to the
regulating valve.
Both wires leading to the regulating valve are 12V(+). With the Master Switch on,
and the console set to MAN Mode when either the Plus key
or Minus key is
pushed, the appropriate wire goes to ground (–) to complete the circuit.