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YettiMaster

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Posts: 3
Reply with quote  #1 
Hi guys.

Just purchased a 2016 Ranger 620 with a 250 HO G2. It came with a motorguide Xi5 and Lowrance pre rig. I installed 3 Gen 3 units and tied them all into the NMEA network in the boat along with connecting the Xi5 with the Motorguide Gateway

On the first couple trips out i got some 114 and 115 communication error codes. I also had issues with the Icon touch screen not reading fuel consumption and some other data from the motor (I can however access all that data thru the Lowrance units though, so I know the motor is outputting the data). 

I've taken the unit to the dealer and they claim these issues are all related to the Motorguide and G2 not liking being on the same network. Basically said each manufacturer blames the other for the problem and nothing is getting solved. Their fix for the issue is to isolate the Motorguide and the G2 with separate NMEA networks. One network would include the 3 Lowrance units and the trolling motor.  The other would have the G2, icon gauge, point 1 antenna, thru hull temp and a couple other items that came in the boat. I think this is a crap option because I might want to access engine data, and certainly want Point 1 features on my Lowrance units. Isn't the point of having a NMEA network exactly that, to have everything connected?! 

Really just looking to see if any others have had any issues running this equipment together and if this is really the best fix? If so, I'm a little disappointed, as it wasn't what was expected when I made the purchase. Does anyone have any other ideas? 

Thanks

Ryno

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Posts: 322
Reply with quote  #2 
I am thinking there may be more going on then just them not playing nice together.  So after the network configuration is all confirmed and all the software have been updated and if your still having problems there may be something else to try.  It is very important to update BOTH the G2 and ICON gauge software, data missing on the ICON gauge is commonly caused by having mismatched software versions.

You do not have to totally separate the networks, you could just split it into three different segments with different power supplies.  When a devices transceiver is not powered shouldnt allow it to place any errors on the network.  So split the network into 3 segments 1. G2 network 2. devices you use with both G2 and Motorguide and 3. motorguide network.  Install a power isolating T between each of the then segments and will allow allow devices to talk when that segment is powered and quiet when its not. Since you do not use the G2 and Motorguide at the same time this should eliminate any network errors.

Be aware, i have not tried personally fixing this problem before, just suggesting something that MIGHT fix your problem and give you the functionality you are looking for.

Using a N2k network bridge might also fix it but those are expensive, i would try the power isolation first.
YettiMaster

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Posts: 3
Reply with quote  #3 
Ryno,

Thanks so much for the quick reply. I saw another thread on here where you suggested the power isolation Ts and thought that may be an option somehow. Having 3 segments makes perfect sense as to how that would be a solution to my problem. Any thoughts on how to power up and down those segments of the network then?

I'm thinking it's actually an issue with the gauge software like you mentioned as I have the private communication error and the fuel data missing too. Isn't the private communication network the main highway for information for the gauge to controls to engine? Shouldn't have anything to do with NMEA?

It's still at the dealer, so hoping they'll figure it out. I know you said you hadn't done or used this fix but still wondering if it's a problem anyone has heard of. Dealer didnt say it directly but he gave me the impression his "fix" was something routine and common. I dont buy it....am I expecting too much to have them all plugged into the same network and have it all work?
Huey

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Posts: 13,838
Reply with quote  #4 
Ask the dealer for engine and gauge firmware numbers and no the private network, on a system correctly installed does not transmit any NMEA2K info-that is the public network. As Ryno rightly said I too suspect a simple update should be first step and all these different companies making their own in house gear can and does have issues sometimes talking all together-should it be that way no not really but simple facts are they can be problematic with all brands of modern engines and more and more complicated boat systems.
Ryno

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Posts: 322
Reply with quote  #5 
The gauge is only on the public network.  The private network connects the engine to the control.

As far as power supply if you end up having to go that route.  G2 network should always be powered by the key switch, the common network could be powered by the master power switch on the dash, and the Motorguide would probably need to be powered by some kind of accessory switch on the bow.

Unfortunately there is no one that is at fault for this issue, if anyone it would be NMEA not providing the manufactures with strong enough guidelines.  NMEA is a non-profit organization made up of mostly volunteers and products are all self certified per NMEA gauidelines.  There are also different levels of certifications on how well the products meet those specifications.  Lowrance products usually leave a lot to be desired in this area and generally are classified in the lowest classification category.
Danderson

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Posts: 31
Reply with quote  #6 
I know this is an old post however because of the same issue this year, my dealer installed a separate network to isolate the Etec, 4.3 Icon display and the Point 1 from the Lowrance and Motorguide.  Having nothing to do this morning I started to search for solutions and this post came up.  I was curious after 2.5 years if anything new has developed or has anyone tried YettiMaster's suggestion with success.  It certainly isn't the end of the world but as the original posted stated, it would be nice to utilize the functionality of the networking capabilities.  Thanks
YettiMaster

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Posts: 3
Reply with quote  #7 
I never did try those solutions....I ended up switching out the Motorguide for an Ulterra and never looked back! No problems of any kind related to NMEA since. Now the DPS on my G2 is a different story [frown]

Danderson

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Posts: 31
Reply with quote  #8 
Yetti,  Thanks for the response.  I do like the functionality of the i5 and the Lowrance especially the way I fish walleyes.  It is interesting that the dealer stated the problem was that the Motorguide doesn't play nice with the G2 yet the network gateway is a Lowrance product.  I might consider the new Lowrance Ghost if and when they come out with a model for larger boats but am concerned that the same issues will be there.  In the end I might have to look at the Ultrex as I am getting old enough where the self deploy may over ride my need to put the curser on the school of fish and tell the motor to go there.
olypopper

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Posts: 7,462
Reply with quote  #9 
The vast majority of NMEA-2000 products are capable of playing well with others.  Occasionally we find a product, like the Motorguide trolling motor, that does not.  As mentioned, having two separate networks isn't a major hurdle.  
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