Chapter 4: Fault Finding - AUTOHELM NMEA BRIDGE User Manual

NMEA Bridge Operation and Installation Handbook

Chapter 4: Fault Finding

All Autohelm products are comprehensively tested procedure
prior to packing and shipment. In the unlikely event that a fault
does occur, the following check list should help cure the
problem.
Fault
No operation.
NMEA data not
converted and
transmitted onto
the SeaTalk bus.
Cause
No power supply.
Equipment not
setup to
transmit correct
NMEA sentences.
NMEA Bridge
incorrectly
wired.
Variable
information such
as XTE, bearing
to waypoint,
Lat/Lon already
on SeaTalk bus.
Action
Check the
SeaTalk bus
connectors are
correct between
the Bridge and
the power
supply.
Check the
fuse/circuit
breaker.
Refer to the
manufacturers
operating
handbook.
Check
connections.
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