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Network Troubleshooting Chart
OBSERVATION
"0" displayed in data fields.
ICON system does not power on.
Power Supply Harness blown
fuse.
No speed display.
Speed Over Water (SOW) does
not display.
Speed Over Ground (SOG) does
not display.
Water depth does not display.
Sea water temperature does not
display.
Fuel tank level does not display.
No "FUEL ECON".
Note: The tachometer harness of the ICON gauge network must be connected to the NMEA 2000 network using the device port
of a t-connector. Misaligned t-connectors can cause the NMEA 2000 network power supply fuse to blow and disrupt or elim-
inate communication in the system.
POSSIBLE CAUSE
Data sources are not configured.
Power Supply Harness fuse is blown.
Network current draw is exceeding 3A.
Requires input from NMEA 2000 Speed
transducer, GPS or paddle wheel.
Requires input from NMEA 2000 GPS.
Requires NMEA 2000 depth transducer.
Requires NMEA 2000 temperature trans-
ducer or analog sender.
Requires fuel level sensor or analog
sender.
Requires input from NMEA 2000 GPS.
PROCEDURE
Use DATA SRCS menu to configure data
source.
Check Power Supply Harness, fuses and
switched B+ from the ignition harness. See
Note below.
Check all connections and wiring. Disconnect
accessory connections to network. Isolate pos-
sible overloads or shorted accessory.
Check that the device is installed and con-
nected to the network.
135
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