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Posts: 1901
Location: MN | Have a Helix 7 at the bow, and had it connected to the universal sonar on the Terrova, which is about 6 years old. Started having trouble with it reading depth properly last fall, so talked to Humminbird rep this spring and he was convinced it is the US on the motor that is going or gone. So I attached the external skimmer transducer that came with the Helix and plugged that in instead. Seemed to work just fine for a couple weekends, now that is reading off and on as well (occasionally will jump to hundreds of feet, or vary drastically. Sometimes if we turn it off and then back on the proper depth will be indicated) Any suggestions what may be the issue? Is there a way to test the external transducer to make sure it is good? Is this possibly an interference issue? I have a Helix 7 at the console also but with SI transducer only, and not hooked together. Also a Lowrance at console with skimmer transducer at transom. Anyone have similar problems and what did you wind up doing to fix it? Thanks |
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Posts: 1091
Location: Hayward, WI | Run the bow unit with the other 2 units off and see if it is ok. Make sure it has the latest software updates if any are available. Make sure that bow unit is getting good voltage, Helix units do not like low voltage. |
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Posts: 546
Location: MN | 2X  |
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Posts: 1901
Location: MN | If it runs good and keeps giving me accurate depth readings with the other two units off, what's the fix to that? I will check if any software update - is that something I can do myself or need to bring in? Should be good on voltage but I'll see if it starts going haywire when voltage dips a little. Thank you |
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Posts: 1901
Location: MN | Thought I would post the resolution to the issue I had with my helix and sonar. The software reset didn't work at all. The universal sonar on the trolling motor works but not all the time. It's like my old Lawrance once you get under 10 feet it freezes up on 3 feet so it works only part time. So I took the brand new transducer that came with my unit and rigged that up and that didn't work. So I bought another new transducer and finally it works. So basically I had two bad transducers, one in the trolling motor and one external. |
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Posts: 492
Location: Northern Illinois | Thanks for posting the resolution. |
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Transducer help