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Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Old 07-18-2008, 12:13 PM
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Default Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Today I'm sending back to Lowrance my third LGC-3000 antennal that has gone bad on my Globalmap 7300 HD GPS unit. Exactly the same symptoms: the unit works fine for a while, then, when powered up cannot find its location. Software is up to date. I tried a hard reset. The antenna is getting power.

It worked perfectly on a recent three-day cruise, then was non-working when I took the boat out yesterday. The diagnostic program that's part of the networking menu item on the 7300, shows the antenna, but only completes 1% with errors.

Unless I'm very unlucky, there's got to be something else going on here. It's mounted in a secure, innocuous spot on the gunwale that isn't subject to any particular abuse. Nothing out of the ordinary in my electronics setup. Are the antennas just generally flakey? Anyone else having problems?
Old 07-18-2008, 02:08 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Yup,I just recieved my fourth antenna module via fedex today.I have gone through three in three weeks.The tech at Lowrance tells me they've sent them to the engineering department for evaluation.He says it's defective hardware .What that means I don't know. My first antenna had a grey and red connector the second and third had solid black the fourth has red and black. I hope this antenna works and is the last I have to ship back.This is the first time I have ever been disappointed in a Lowrance product.The customer service is very good it's just a headache shipping back and forth and being without.They have assured me that the problem will be resolved .FYI there was a guy who posted that he had been through five antennas before they replaced his whole unit and it seemed to be working for three weeks without a problem.I guess they may have manufactured a bad batch of antenna modules?I 'll keep you posted
Old 07-18-2008, 02:18 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

I hate to say it but YES!
I had a Lowrance awhile back... Worked fine for about 1.5 years in great weather....
Then one day I'm out and enter some really dense fog on the river. I remember thinking to myself "Geee... I'm sure glad I have my GPS so I know where I"m going and can stay out of the main, main channel and dont' get run over by any deep drafts...".
Two minutes later the thing stopped working.

I went through 3 different antennas from Lowrance and that was it. I lost confidence in their products.

Now I've gone to Furuno and haven't looked back... not for a second.

Apparently... the Lowrance antenna are sensitive to radar. Now... it should be noted that I did NOT have radar on my boat. It was knocked out by other vessels traveling in the fog nearby. Anyway.. Lowrance sent me a new antenna and said that there was a known issue with the one that had gone bad.
Well.. that one went out also... Three strike and your out!

Sorry to hear about your problem. It's not a good one either. Especially when you consider the safety factor.
Old 07-18-2008, 04:22 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

My LGC-2000 has failed twice. Repaired both times under warranty although it had expired before the second failure.

I've decided that if I have another failure I will replace the GPS Module/Antenna with another brand. The NMEA 2000 structure used by Lowrance allows interchangeability. A Maretron Module/Antenna is about $250 at JackRabbit to the best of my recollection. I'll have the LGC-2000 repaired to serve as a running spare.

I trust Lowrance and believe they stand behind the products but I don't like the 10 days of downtime waiting for repairs. Hopefully they will find the gremlin and fix the problem once and for all.
Old 07-18-2008, 04:31 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

I don't think they will be getting any military contracts any time soon, if the do we will all be goners,thanks NAFTA made in Mexico, what a mistake. It's a good thing their market is geared toward recreational guys.If I had to make a living depending on thier products I'd be ripped. Ditto ,should have went with Garmin andor Furuno but Lowrance's price was attractive. Have to eat it and hope for the best.
Old 07-18-2008, 06:17 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Let me get this straight you spend $900.00 or more on a unit that you trust will work then have to spend another $250.00 for another company's antenna and use the LGC-3000 as a spare.Why doesn't that sound right to me ?If their antennas are known by Lowrance to be bad shouldn't they be issuing a $199.00 credit to their customers so they can buy a reliable one on their own?I've always liked this company but between the antenna and rebate issue I'm beginning to wonder whats going on.
Old 07-18-2008, 09:33 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Well... There are a whole lot of Lowrance units out there. The price is very attractive and you tend to get allot of bang for the buck.
I appreciate that they made an early investment in NEMA 2000. That was a good move.
For me... it really boiled down to a safety/reliability issue.
I don't have anything against Lowrance.... I just don't have the patience for equipment that isn't 100% reliable... especially when safety is involved.
Old 07-19-2008, 06:38 AM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Dogz,

I spent about $1300 for my X-111 on close out almost two years ago. The 10 inch screen has excellent clarity and the head unit and sonar have been perfect from day one. Once in a while even a good company can have a problem item. IMO, Lowrance is doing the right thing by repairing and returning the LGC-2000 & 3000 modules well after the warranty period. Their service has been exceptional. Meanwhile, it seems that Lowrance has decided that the module failure rate is unacceptable and they are trying to determine the root cause and an appropriate permenant fix. That's good enough for me for a recreational system. The only reason I'm considering a module from another manufacturer IF AND WHEN my LGC-2000 fails again I want to have a spare on hand. The fact that Lowrance was the first to have NMEA 2000 interoperability allows me to do that at minimal cost of well under $300. It allows me to continue to use a 10 inch head unit with a great picture and a very good sonar at minimum price with maximum reliability.

You would think a company like Raymarine would do a lot better than Lowrance since they charge about twice or more the price of comparable performing equipment. But if you think that look at thier record with the A-60.

I think I'll stick with Lowrance and maybe do some mix and match as my equipment ages. That's what NMEA 2000 is about. It allows you to use any head unit you like and add the radar, GPS, sonar, fuel management, engine information, auto pilot, rudder indicator, etc that you like from any other one or many manufacturers.

BTW, what does Mexico and NAFTA have to do with this issue?
Old 07-19-2008, 07:06 AM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

I agree they are doing their best to solve the problem.NAFTA,Mexico IMO cheaper labor inferior quality,but more profit again just my opinion.I still don't think you should have to spend money on another companies antenna module when theirs should have been good right out of the box.I don't have a Raymarine I have a Lowrance but would feel the same about any brand I was having a problem with. I'm hoping they do correct the problem.The reason I have a LCX27C is because I've owned Lowrance products in the past ,was satified with them and am familiar with the key pad and function of their units.I don't want bash them but a headache is a headache.Butch is right the display unit is very good.
Old 07-19-2008, 11:07 AM
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Default RE: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

I must just be lucky i guess, i've had various Lowrance units over the years and never had a single problem with any of it, i've just bought and fitted a 113hd and so far its been great, but if it go's tech on me i guess i'll be back.

Simon L
Old 07-19-2008, 04:44 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Simon,

The 113 is a great unit. It's the latest version of the 111 on my boat. The Ethernet Port on the 113 is a useful addition and I wish I had it. I hope you don't suffer an LGC-3000 failure but be prepared. There seems to be no warning when this happens. One hour it's perfect then it's just dead. At least the warranty coverage is terrific.
Old 07-20-2008, 06:28 AM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Blacter,I have been running the last antenna Lowrance sent me for two days now without a problem.They seemed to have corrected the defective hardware problem.Overall they have been pretty decent to deal with.I hope this solves the problem .
Old 07-20-2008, 10:30 AM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

For those that may think it's just Lowrance's GPS, Raymarine had a high failure rate on their GPS120 module, and eventually replaced it with the GPS125. Those who had multiple 120 failures went through the same thing.

So no, you don't HAVE to buy a third-party module, but some may CHOOSE to do so, to eliminate the week-to-10 days down time.
Old 07-22-2008, 02:18 PM
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Default RE: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Folks,
I have now had 3 LGC 3000 antenna module failures. Today is 7/22/08 and I am now waiting for Lowrance in Tulsa to send me another unit. I have 11.4 volts from the display unit, through the 60 ohm tee connector, through the extension cable up to the roof mount location on my Bayliner 256 Discovery. Every third trip out on the water my GPS has failed on me. The techs at Lowrance Tulsa call center will not tell me anything about other failures that others are having or whether they have a fix for the problem. I am now sitting here on their hold line waiting to ask them if there is an alternate antenna out there that can be purchased or whether they have fixed the problem. The display unit shows blinking "no satellite communication". I now have about 8 hours of troubleshooting this issue on my boat. Steve in Edwards, CO. ;? ;? ;?
Old 07-22-2008, 04:32 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

I made four phone calls at about an hour including a twenty to forty minute wait before getting a live person.Twice I spoke with a tech named Troy once with Shelly and in between them to a girl who ran me around in a circle insisting the problem was with my boat and said that they couldn't just keep sending me antennas. Troy and Shelly were great to deal with.I 'm glad I'm self employed and have the time to spend on the phone with them.Eventually Troy did ship an antenna that appears to be good.I understand their reluctance in admitting a problem.I was told that other's problems were caused by something different then mine?I do think that they had a bad run of antennas and I hope the problem has been corrected.Good Luck!
Old 07-22-2008, 06:02 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Butch Davis - 7/18/2008 4:22 PM

I've decided that if I have another failure I will replace the GPS Module/Antenna with another brand. The NMEA 2000 structure used by Lowrance allows interchangeability.
Hey, Butch. I'd like to do the same thing, but the Lowrance "Help Desk" told one of our members that no other antenna will work. Could you let us know if you have success with the Maretron. Thanks.
Old 07-23-2008, 05:40 AM
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Default RE: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Same old Lowrance...

They have been having problems with their products since the LCX 15 first came out. I've had problems with head units, LGCs, LGC12s, LGC2000s, transducers and software updates. The last update caused the loss of a bottom signal at less then 10 feet. Lowrance's recommendation was to put the put the previous update back on. I still have all the shipping boxes in my garage from all the units that I've had to ship back for warranty or repair.

Now I hear people having problems with the LGC3000.... It just doesn't end with this company.

Don't believe me do a search on Google for Lowrance problems. You better have some time on your hands because you'll need it.
Old 07-23-2008, 07:08 AM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

To determine if a Maretron GPS module will work with a Lowrance head unit the place to ask is, IMO, Maretron. Depending upon the model of your head unit an adaper cable may be required due to differences in connector size.

I'm about 99.99% certain the Maretron will work with my LCX-111Chd.
Old 07-23-2008, 09:30 PM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

Just had an LGC 3000 fail this morning at the dock upon startup. Have had 4 LCX models fail due to antenna malfunctions. Head units and sonar are great, antennas are grenades. Lowrance is consistent with their BS about "never heard of another problem like your's" ! They are the most professionally trained liars in the marine industry. I have sold many lowrance products over the last few years, and, on the whole they fail 3 times faster than furuno and garmin. Raymarine has got to be distinguished , but, equally bad cousin. Those damn C-series could make a boat purchase a nightmare before the warranty department would handle your problems. Numerous black boxes, flashing red or green lights, crap heading sensors, dim screens, low voltage issues despite numerous tests at the power and connection sources, etc. I have to send that antenna back tommorow. It only picks up one satellite and cant get a fix. No error codes. Any ideas??
Old 07-24-2008, 06:04 AM
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Default Re: Anyone Else Having Problems With Lowrance LGC-3000 Antenna

ras315,It sounds like the same problem I had.The last LGC3000 they sent me has been up and running for one week now without any problemsThe others only lasted one day.I would put the head on the boat,remove it at night for safe storage,plug it in the next day and recieve only one very weak sattelite signal.Four LCG's later they seemed to have found and remedied the problem????

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