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Chapter 5: Troubleshooting
Symptoms
Possible Cause
Resolution
The sonar software does
not automatically find the
connected sonar.
Junction Box AC power Cord is not
plugged into active AC outlet
Ensure the console power cord is
plugged into an active AC outlet
Sonar not connected
Verify the main pole cable is plugged
into the Junction Box.
Verify the sonar connector is attached
to the sonar.
Verify the Ethernet cable is connected
to the Junction Box and the PC.
Sonar is not initialized
Ensure all physical connectors are
dry, clean, and connected properly
PC is set to the wrong IP address
Follow the instruction in your sonar
manual to reset the PC’s IP
address/Subnet Mask to
192.168.1.2/255.255.255.0
Sonar experienced a power glitch
Unplug the AC power to the SPT
Junction Box for 10 seconds and
reconnect.
PC does not connect to
GPS unit
GPS Unit is not connected.
Verify the main pole cable is plugged
into the Junction Box.
Verify the sonar connector is attached
to the sonar.
Verify the Ethernet cable is connected
to the Junction Box and the PC.
Verify the USB cable is connected to
the Junction Box and the PC.
USB to RS485 drivers are not installed
properly
Uninstall then reinstall drivers.
COM Port may need to be manually set in
ProViewer
See “ProViewer Configuration” section
of this manual.
LAT/LONG Not Displaying
GPS does not have correct line of sight to
establish a fix
Make sure GPS is outdoors with clear
overhead area
NMEA Sequences are not properly
configured
Go into ProViewer 4 settings under
the NMEA tab and verify HDT, RMC,
and ZDA sequences are selected.
