Valley VRI-iS, Installation Manual

Page: 56 / 102

56
Troubleshooting
System Faults
The Variable Rate Irrigation and GPS related System Faults that can shut the machine down are shown below
in Figure 56-1, along with a description, possible causes and corrective action.
System Fault Threshold
Shut
Down
Possible Cause
Corrective Action
GPS Com
• GPS not commu-
nicating
With GPS Position and Shutdown On Position
Loss enabled, while the machine is waiting/
running there has been no GPS communications
and the Shutdown On Position Loss Delay time
has expired.
Requires optional equipment. Yes • Check the GPS connection and the
power supply.
GPS Lock
• GPS signal loss With GPS Position and Shutdown On Position
Loss enabled, while the machine is waiting/
running the GPS Lock Status is None and the
Shutdown On Position Loss Delay time has
expired.
Requires optional equipment. Yes • Check for a clear path above the
antenna.
High Pressure
• Water pressure is
too high
Water pressure remained above the High
Pressure Limit for at least the High Pressure
Shutdown Delay time. Yes
• Maximum system pressure setting set
too low.
• Too many sprinklers off at one time.
• Pump incorrectly sized to sprinkler
package.
• Resync pressure setting set too high.
Flow
• Flow rate is too
low
While the machine is running with water On, the
Flow Rate falls below the Low Flow Limit after
adequate water pressure has been achieved. Yes • Minimum flow rate set too low.
• Low pressure setting set too low.
• To many sprinklers off at one time.
• Resync pressure setting set too high.
Figure 56-1
Viewing System Faults
ICON5 and ICONX Control Panel
To view the current System Fault (see Figure 56-2)
do one of the following:
• Push
Menu , System , Diagnostics , and System
Faults .
• Push the Fault Notice icon that appears on the
pivot graphic.
• Push
Menu
and
Faults
.
ICON1 and ICON10 Control Panel
To view the current System Fault (see Figure 56-2)
do one of the following:
• Push
Menu
,
System
,
Diagnostics
, and
System
Faults
.
• On the Main screen push the
Fault Notice
icon
that appears on the pivot graphic.
Clearing Faults
The fault and fault notice icon are automatically
cleared from the main screen the next time the ma-
chine runs successfully.
1
2
Figure 56-2 1. ICON5 and ICONX Fault Notice
2. ICON1 and ICON10 Fault Notice