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Muskie Fishing -> Muskie Boats and Motors -> Humminbird Troubleshooting
 
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Message Subject: Humminbird Troubleshooting
Musky junkie
Posted 7/28/2014 4:41 PM (#722898)
Subject: Humminbird Troubleshooting




Posts: 42


I have a humminbird 788 ci on the bow of my boat connected to the trolling motor US2 transducer. Everything works great except for sonar and depth. The sonar screen is red and the depth usually reads 2.1 ft but every great once in awhile it will read the correct depth than go back to 2.1 ft. I thought maybe it was a transducer problem until I connected the brand new transducer that came with it and it did the same thing. Anybody have any ideas on what the problem could be?
jdeezay74
Posted 7/28/2014 7:32 PM (#722948 - in reply to #722898)
Subject: RE: Humminbird Troubleshooting




Posts: 256


Location: plant earth
Maybe a hard reset. Or possibility a software update may be needed. Just a thought and a start. Good luck
Sunshine
Posted 7/28/2014 8:14 PM (#722964 - in reply to #722898)
Subject: Re: Humminbird Troubleshooting





Location: Waukesha, WI, USA
Good starting suggestion above. Is this a new unit? How long have you been using it?
BLIZZAK
Posted 7/28/2014 8:19 PM (#722967 - in reply to #722964)
Subject: Re: Humminbird Troubleshooting




Posts: 255


I was getting interference noise off my power cable re routed transducer cable and mine was fixed
newbski
Posted 7/28/2014 10:46 PM (#723011 - in reply to #722967)
Subject: Re: Humminbird Troubleshooting




Location: Canada
BLIZZAK - 7/28/2014 8:19 PM

I was getting interference noise off my power cable re routed transducer cable and mine was fixed

Can you expand a bit on where/how the cables were routed before and after?

I have a problem similar (red screen) to OP when I put my 787 in the bow. Works fine in the stern. My 580 works fine in the bow. The 787 works perfectly until I turn on the bowmount electric, then goes wonky (mostly all red). I tried putting an RF choke on the power cable to the head, made no diff. Would like to run both motor and and sonar off same battery if possible.
Sunshine
Posted 7/28/2014 11:36 PM (#723015 - in reply to #723011)
Subject: Re: Humminbird Troubleshooting





Location: Waukesha, WI, USA
If you are a Facebook user sign up for the Humminbird side imaging page. Great help there from their real experts.
Macintosh
Posted 7/29/2014 7:36 AM (#723030 - in reply to #722898)
Subject: Re: Humminbird Troubleshooting




Posts: 117


Hbird customer service is really good and very helpful. Call them, they'll get you sorted out better than we can.
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