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Did the suzuki / lowrance LMF update ever happen?

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Did the suzuki / lowrance LMF update ever happen?

Old 10-07-2008, 08:16 AM
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Default Did the suzuki / lowrance LMF update ever happen?

I've been trying to get fuel data out of my suzuki-branded LMF-400 with my late 07 engine for a year now. After a couple calibrations I'm still not right on the fuel burn, it's difficult becuase I don't top off very often.

The best answer I got was that there was some miscommunication between suzuki and lowrance and zuke changed their data scheme in late 07.

There were rumors of a big software update for this gauge? I don't have any other lowrance gear, but before I call lowrance and ask them to update for me I want to know what the situation is... thanks!
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Old 10-08-2008, 02:54 PM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

Hmm, looks like I caught the suzuki experts on an off day.... little help guys!

I actually suspect I was one of the very first customers to experience this issue - especially since both Suzuki and Lowrance took a shot at examining my gauge without coming to any conclusions.
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Old 10-09-2008, 07:54 AM
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Default RE: Did the suzuki / lowrance LMF update ever happen?

Forget it, they dont work together. Put a seperate fuel guage in. Suzuki is no help, neither is Lowrance.
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Old 10-09-2008, 01:16 PM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

I'm no expert but maybe this will help. I have not heard of an update for the LMF 400. Are you using an EP 20 engine sensor to your network/ LMF 400? There is an update for the EP 20 and it was the only way I could get my fuel flow right. You will need a Lowrance DF/GPS unit to load the update to the sensor, though. If it turns out you can use this update let me know and I can Email it to you. Good Luck.
Chris
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Old 10-10-2008, 02:52 PM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

Chris - yes I'm using the EP-20.

Interesting that they claim the update is to the EP-20. I had either Suzuki or Lowrance swear to me that the EP-20 itself was just a wire with a piece of plastic molded onto it.

I unfortunately don't have any lowrance gear other than the gauge, but if you can point me to the update I'd appreciate it.

Otherwise I will go yell at both of them at the Fort Lauderdale boat show, again. It is hard to calibrate when you don't want to carry 125 gal of fuel around all the time.
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Old 10-12-2008, 06:01 AM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

Flot, I have the 2007 DF300, LMF 400, EP-20, and Suzuki (Lowrance) network, and had the same fuel management problems - after e-mailing Chris, I got the update for the EP20 sensor. I believe the EP-20 sensor is a plug in to the engine interface, since it handles the fuel management, similar to a flowscan. In any event, after the software update, you need to check the device for the updated software version, and the EP-20 is not listed under bus devices - the software version of the engine (under bus devices) is actually updated.

I also did not have a Lowrance GPS, so I had to wait for my dealer to borrow one, which we hooked into the backbone via another T connector, and it went smoothly. Lowrance has instructions on their website.

I believe your analysis is correct, regarding the "miscommunication" between Lowrance and Suzuki, but neither one seems to keep their tech support up to date on the situation - Suzuki really has a head in the sand approach, and just tells my dealer to call Lowrance. They have new engines with fuel management that is 10% off, can't be re-calibrated, know it is a wide spread problem, and appear to have no ability to deal with it. Rather disappointing.

By the way, Lowrance has put out a second software update to the EP-20, which they said is just more efficient coding, no real changes. It is now version 2.2.0 - the last one was 2.0.0. Chris - I'll forward you the new one as soon as I get it, but I am not installing it for now. I just refilled last week, after the software update, so have to check it this week, maybe do a re-calibration, and see if I finally have this problem solved (with no help from Suzuki).
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Old 10-14-2008, 07:10 PM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

My tech told me today that ther eis an ongoing issue between Lowrance and Suzuki over this problem. There is an update that has not been available to the public apparently because my tech has to do it himself. He said he needed a Lowrance head unit with MMC reader and connect it to the system harness with the guages. He said DO NOT try and do an update yourself using the Lowrance download from their website as it could render the guage useless and unable to power up again. He said there was a resistor in the guage that wont allow that information to be used from another company other than Suzuki.(I Know!) Your local dealer can arrange to do the update for you through your tech rep. They also have a new harness and guage assembly coming out in the next month or so that will have corrected all these issues.
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Old 10-16-2008, 05:45 AM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

Well, don't know about any special Suzuki updates - they didn't seem to even know that they had problems with the DF300 fuel management.! I got the software update myself from Lowrance technical support, and since I didn't have a Lowrance GPS unit, my dealer borrowed one from another boat, we hooked it into my backbone, put in the SD card that I downloaded the update onto, and followed the published instructions (by Lowrance - Suzuki of course doesn't have any) to do the download. It went fine, and we confirmed the updated software version on the bus devices list. That was a week ago, and two days ago on of my LMF400 gauges failed and will not power up. My dealer ordered another, having no idea from Suzuki that the software update might be the cause. Back to the drawing board.....
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Old 10-16-2008, 06:15 PM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

Grr, I guess I'll have to harass the lowrance and zuke folks at the fort lauderdale show... again...
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Old 10-17-2008, 06:46 AM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

After thinking about my LMF-400 gauge failure, I'm not so sure the failure is related to the software update. Lowrance knew I had the Suzuki gauge when they sent me the update, and in fact the software file name includes the suzuki name. Also, the gauge worked fine for at least 4 hours after the update - it sounds like it would fail immediately if it was not Suzuki designed software. Finally, I had run down a battery due to extended electronics use at anchor, and when I tried to start the engine, all electronics powered off, including the network, and the engine would not turn over. It was right after this that I noticed the gauge failure (the other two LMF gauges worked fine). So, I'm not so sure what caused the gauge failure.
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Old 10-17-2008, 11:52 AM
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Default Re: Did the suzuki / lowrance LMF update ever happen?

I also have had extensive problems with the SMIS gauges(LMF-400's) on my boat but have finally gotten them working correctly. I have twin DF175's (2007). The initial problem was intermittent tach failure, loss of fuel data and being unable to reset the interface. First dealer had the boat for 6 weeks and gave up on fixing it. Suzuki had me take it to a second dealer. They had it for 4 weeks and got it working by replacing a bad EP-20 engine interface. The second dealer was great but still had major problems getting the interface to respond correctly and was on the phone directly to Lowrance's product design engineer to get them working. I was happy to get my brand new boat back 10 weeks later with gauges that seemed to be working right for the first time! My happiness was short lived when I discovered that the fuel readings were way off. I went the whole route that Lowrance suggested for recalibrating the fuel flow but could never get them correct. After fooling around with these gauges for 6 months I finally got Lowrance to send me two new gauges and two new EP-20 interfaces. That has taken care of my problems and everything is now working as it should. The new gauges have an updated software version that allows the user to input what year the engines are. Suzuki made a parameter change between 2007-2008 and the gauge software, engine interface(EP20) and engine all have to be on the same parameters for them to work together. If you have a Lowrance head unit you can download the updated software to your gauges. In my case I didn't have a head unit available and Lowrance stepped up to the plate and sent me what I needed. Suzuki was no help at all through this whole process. Let me know if I can help with any more info!
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