CapstanAG PinPoint III ENVELOP, Operator'S Manual

Page: 104 / 128

TM
Troubleshooting
Problem Cause Correction
Overlap distance is set too
low Increase the overlap distance to at least 40
inches
Incorrect GPS antenna
location Do a check of the measurements to the GPS
antenna location
The display overlap settings
are incorrect Set the look ahead time and overlap distance to
prevent skips
Skips at the
edges of a field
Incorrect ball valve settings Make sure that the ball valves are turning on soon
enough or turning off late enough
Table 4: Rate Controller Errors
Problem Cause Error
Find and install tips that are the correct size Tips are too small
Do a check of the low rates with a Wilder Quick
Calibrator or with a catch time test at each nozzle:
• Oz/min per nozzle = GPA x Test Speed (mph)
x Nozzle Spacing (inches) / (5940 x 128)
• Oz/min per nozzle = G/1000 ft2 x Test Speed
(mph) x Nozzle Spacing (inches) / (136 x 128)
Do a check of the filters and replace as needed Plugged filters
Make sure that the filters are installed correctly
Plugged lines Make sure that the lines are clean and do not have
any kinks
Shutoff valve is partially
closed Make sure that each shutoff valve is fully open
Under
application
Control Valve Type:
• Use A, B, C, or D
as it applies to your
Machine
A. Pressure set too low on the flow by-pass lines
• Make sure that the settings on each pressure
controlled by-pass valve are correct
B. In-line Servo flow control valve is stuck
• Make sure that the Servo flow control valve is
operating correctly
C. Servo signal wire polarity is switched
• Make sure that the valve opens with a rate
increase
• Make sure that the valve closes with a rate
decrease
D. Top PWM valve is set too low
• Adjust the rate controller PWM valve to the
desired setting
©
2021 Capstan Ag Systems, Inc.
104
PinPoint
™
III ENVELOP