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Depth Finder issue, Anyone have this problem before #10940339 06/25/15 10:21 PM
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Crank'n Jeff Offline OP
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I have a Lowrance HDS 7 gen2. It comes on fine but after a few minutes it cuts off. If I let it cool down for 5 minutes it will let me turn it back on, but will only stay on for 1-2 minutes and I have to wait for it to cool down so it can be turned back on. Its basically useless like this. Has anyone had a similar problem and if so, what was your solution. Any help will be greatly appreciated.

Moritz Chevrolet - 9101 Camp Bowie W Blvd, Fort Worth, TX - Monte Coon (817) 696-2003
Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940361 06/25/15 10:40 PM
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Chris Borden Offline
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Sounds like a cranking battery going down. Had the same issue with mine. Does it turn off when you crank the big motor?

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940409 06/25/15 11:18 PM
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Crank'n Jeff Offline OP
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thanks Chri. I dont remember, I usually dont turn it on til I get where Im going. all my batteries are charged, did not notice any other problems with motor or boat

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940435 06/25/15 11:34 PM
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WillieKetchum Offline
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Turn it on while you have your boat batteries charging and see if it stays on. If it does, then you'll know its a battery issue.

Re: Depth Finder issue, Anyone have this problem before [Re: WillieKetchum] #10940459 06/25/15 11:50 PM
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5Redman8 Online Content
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Originally Posted By: WillieKetchum
Turn it on while you have your boat batteries charging and see if it stays on. If it does, then you'll know its a battery issue.


This!!!!

Had the same issue with old boat and Lowrance 522.

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940462 06/25/15 11:52 PM
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Chris Borden Offline
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Originally Posted By: Crank'n Jeff
thanks Chri. I dont remember, I usually dont turn it on til I get where Im going. all my batteries are charged, did not notice any other problems with motor or boat


Neither did I. Boat always started. But after 3 or 4 hours fishing the graph would turn off when I cranked the motor.

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940464 06/25/15 11:53 PM
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NiceCatch Offline
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I had something similar, but mine never over heated. It was due to improper grounding. I had my wiring re-routed inline with the battery and put the fuse in between. Before it was wired to the bus bar in the back. Works great now.

Re: Depth Finder issue, Anyone have this problem before [Re: Chris Borden] #10940520 06/26/15 12:45 AM
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ChuChu1 Offline
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Originally Posted By: Chris Borden
Originally Posted By: Crank'n Jeff
thanks Chri. I dont remember, I usually dont turn it on til I get where Im going. all my batteries are charged, did not notice any other problems with motor or boat


Neither did I. Boat always started. But after 3 or 4 hours fishing the graph would turn off when I cranked the motor.
That is a sign of a battery going south.


Snowflakes and entitled brats will be the doom of America!


Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940526 06/26/15 12:49 AM
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Fritz423 Offline
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I had a similar problem when the inline glass fuse holder from my battery corroded ever so slightly.

Every time I cranked the engine the depthfinder shut down. I changed over to an ATO/ATC fuse and worked great until I accidently switched the positive and negative battery cables.

That fried the depthfinder for good.


Wishin' I was fishin', and dreaming of beer
Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10940738 06/26/15 02:23 AM
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Crank'n Jeff Offline OP
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thanks for all the help, at least there is a good chance it will be a simple fix and not the finder itself

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10941484 06/26/15 02:53 PM
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bladeslinger Offline
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Same issue ,run direct wire to battery with in line fuse problem solved.

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10941511 06/26/15 03:00 PM
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James P. Offline
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Check the connections where it plugs in to the unit also

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10941561 06/26/15 03:14 PM
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No expert but what does the unit show the volts are when running fine and right before it turns off or starting the motor? Not sure how low the colts can go before it turns itself off. Mine HDS beats due the low volt alarm if the volts drop when starting the motor. You can add volts to the screen by going editing page data overlay and add volts from the list and then click menu save. You move it by clicking enter when higlighted and using directional pad.

Re: Depth Finder issue, Anyone have this problem before [Re: 5Redman8] #10941600 06/26/15 03:26 PM
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Lou r Pitcher Offline
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Originally Posted By: 5Redman8
Originally Posted By: WillieKetchum
Turn it on while you have your boat batteries charging and see if it stays on. If it does, then you'll know its a battery issue.

This!!!!Had the same issue with old boat and Lowrance 522.

--------------------------------
eeks
Running electronics, accessories or a modern engine with its' key ON, at the same time from a battery with a connected and powered charger can harm/damage the electronics. Especially damaging are the many newer chargers which use pulse charging and are able to apply equalization stages, voltages that sonars and their power circuit boards were never intended to withstand.

Best to use a battery disconnect switch or turn main breaker to off before powering the charger if present. If not, be sure to not turn on power to a sonar/gps during any time its' battery is charging.

Re: Depth Finder issue, Anyone have this problem before [Re: Crank'n Jeff] #10941672 06/26/15 03:50 PM
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Crank'n Jeff Offline OP
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Just tried WillieKetchum suggestion of trying the unit while charging. Same thing, after 1-2 minutes it turned itself off. going to look at the voltage next as suggested by stratos1760dv-Jeremy. Im not sure how to wire it, so will have to think about that one for awhile.

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