Question about Lowrance LCX-25c GPS Receiver

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LCX-25C seems to be cycling on & off when in the sonar mode.

Last year, while fishing, my LCX-25C started pulsing on & off when in the sonar mode. It had worked fine the day before, but unexpectantly started to act up. Initially I thought I had a fuse, battery or connection problem, but those all checked out okay. I ended up taking the unit to a marine electronics shop and they tested it with their bench transducer and said it worked fine and I probably had a defective transducer, so I bought a new transducer and intalled it on my boat last fall. I haven't had it in the water yet, but it seems to be acting like it did before I replaced the transducer. Is it possible that I bought another defective transducer or is there something else going on here. Please help, fishing season is quickly approaching and I don't want to have to ship it to Lowrance unless absolutely necessary.

I also tried correcting the problem by performing a soft & hard reset as recommended on the Lowrance website, but that didn't seem to help either.

Brownie in Minneapolis

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I have a lcx-25 from year 2007 with same kind of problem. Service found o lot of condensed water inside. These devices are not water or gas proof. There was oxidized connectors etc. Maybe local electronic mechanic could help you.

Posted on Aug 11, 2011

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Did you ever get your problem fixed, I having the same issues.
Ken

Posted on May 02, 2010

  • gphskroch Jan 26, 2011

    I am having similar problems. When I am on the water, all of a sudden the unit thinks it is in 0.9 ft of water and locks up. This especially happens in shallower water (< 20ft). When that happens the ticking sound coming from the transducer stops and the graph stops scrolling. If I wait a while (10 minutes), the unit starts to work again. Then it happens over and over.

    When I called Lowrance they said it sounds like something internally wrong with the unit. I told them a local fish electronics store bench-tested it last spring and they said it worked fine. Must be the transducer. So I replaced the transducer and the same thing continued to happen. It also loses bottom at high speeds. I told Lowrance they can't just do a simple bench test, otherwise they will get the same result Fish-lectronics did. Well they tested it for
    4 days and did not find anything wrong with it so they are sending it back and charging me $60 for nothing.

    Any idea?

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