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Old 05-12-2015, 20:37   #1
Marine Service Provider

Join Date: Apr 2010
Location: South Florida and the Caribbean
Boat: A beautiful catamaran
Posts: 157
Troubleshooting NMEA 2000 Systems on Boats


I recently have had several vessels I have surveyed with issues with their digital gauges freezing or not responding which turned out to be issues within the NMEA 2000 backbone or gauges (corrupted digital data). Many boat owners do not really understand how these systems work, how the communicate with each other, and are sometimes mislead by others in believing the engine or batteries are the problem when it is infact typically a corrupted "T" fitting, gauge, or terminator. I recently wrote a blog explaining how these systems work and how simple they are in troubleshooting them. These systems are the future of boats and more and more vessels being built are outfitted with these digital data systems. The blog is at:


I hope it helps everyone understand how they work and how easy it is to troubleshoot them.
Capt. John Banister, AMS®
SAMS® Accredited Marine Surveyor
Palm Beach Gardens, Florida
SuenosAzules is offline   Reply With Quote

nmea, nmea 2000

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