Owner's manual

11
Manual No. 016-3001-003 195
Troubleshooting the Viper Pro System
GPS Error Messages
No Rx file chosen
for this product
VRC was selected for the
product during the
product setup, but no Rx
map was loaded
• Un-select the VRC selection or load an Rx map for the
product.
No Rx rate field
chosen for product
• VRC was selected and
an Rx map was loaded,
but a selection was not
made in the Rate field
Select the appropriate item from the Rate field.
When VRC is
checked, a
Prescription File and
Rate Field must be
supplied
VRC was selected during
the product setup, but a
prescription map and rate
field have not been
selected
• Press Browse to select the appropriate prescription
file. Select the appropriate rate item in the Rate field.
Color templates are
available only when
VRC is selected
You selected a color
template without
selecting VRC
You can only select a color template when you have
selected VRC and have loaded a prescription map.
Issue Possible Cause Solution
No GPS Coverage
warning
• You must have GPS
coverage to start a non-
VRC (Variable Rate
Control) job
Make sure that the GPS data is being received by the
Viper system.
Warning: You do not
have optimum GPS
coverage. Some
features may be
disabled.
GPS reception does not
have differential
correction. Therefore,
some features, such as
guidance, will not be
available when starting a
job in this condition
Enable the differential correction function in the GPS
receiver. Contact the receiver manufacturer for
additional information.
No Differential
Differential GPS has not
been detected by Viper
Check the GPS receiver to make sure that it has the
differential correction function. Contact the
manufacturer for additional information.
No GPS
Viper does not detect a
GPS signal
Make sure that the GPS receiver is turned on and
receiving a signal.
Make sure that the port setting for Viper and the GPS
receiver match.
Make sure that the required NMEA messages are
turned on in the GPS receiver.
Issue Possible Cause Solution