Question about Garmin 185 Sounder GPS Receiver

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Depth Sounder does not display depth

I have tried a new transducer, as well I have checked all the connection and nothing has worked. When I disconnect hte transducer the unit advises transducer unplugged so it is getting some signal. Is there an internal fuse or a way to reboot the thing? Thanks

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  • eobrie1 Jul 26, 2008

    I have the same problem, began two week ago. No depth display. Same tbl shoot, the box is aware of the transducer. Looking this am to replace TD till I saw your post.

    Any Luck?
    Jim



  • RFLAMINI Jul 28, 2008

    I CLEANED MY TRANDUCER, BUT STILL NO LUCK... IT STILL DOES NOT SHOW DEPTH

  • tomdr Aug 10, 2008

    Just got new to me boat a month ago and same - no depth. Will let you know if I found out problem

  • Anonymous Oct 01, 2008

    over 10 ft of water it works. under 10 ft the sounder cuts out , no depth reading. i reset the unit buy holding down the quit botton and pushing the power botton on. still the same. i called garmin and they didn't have any answers. i replaced the transducer because the it was doing the same thing. any help.

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I will see if I can get mine off the hull for testing. Still have found no procedure. Thinking about just replacing the sounder with another unit.

Posted on Aug 03, 2008

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I have a i40 depth sounder new. it worked ok for a


Sounds very much to me like there is a faulty connection at the back of your display or a broken signal lead from your transducer. That's where I'd start tracing the signal from anyway.

Hope this helps
-Steve

Oct 07, 2014 | Boating

1 Answer

I was told that the Uniden QT-206HP depth sounder will not work thru an alunium hull is this true or false


Hi!

The transducer for your depth gauge will not work through an aluminum hull. A drilled through-hull transducer or a transom mount transducer are your options here.

Just in case you require it, your Owners Manual can be viewed/downloaded at:
http://ca.binnacle.com/pdf/Uniden-QT206-manual.pdf

Hope this helps..

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1 Answer

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Hi, Check for debree on depth sensor under boat. As you said check for fuse(s) Good luck.

Jun 20, 2011 | Garmin 185 Sounder GPS Receiver

1 Answer

Hello, our Raymarine ST40 depth sounder on our trailer sailer has stopped working only shows 0.00 depth on the display screen. However the metres symbol now flashes on/off. I have checked the cable...


now there is a chance that the transducer is bad ,, but I would check the battery voltage and make sure you have a soild 12 volts to the unit. also in my many years of working with and installing these units on boats I have see the needle pins ( where the plug inserts in the back of the display unit ) bend and/or break off completely. look in the plug area of the display unit and make sure all pins are intact. one more place to look for the problem is in the plug itself, take the plug apart and inspect the wire connection and make sure they are all good. if after all the above has been checked then I would assume that it is the transducer itself.
if you have anymore questions with this problem, please feel free to write back and ask,

c...

Jan 30, 2011 | Raymarine St40 Depth Display E22038

1 Answer

My Garmin 498C will not show the contore of the bottom or give me a depth reading. The GPS works and will show me charts but, not the sounder option though.


You need to check to see if the depth sounder transducer is connected or functioning. It might be turned off, the connectors may be bad or the transducer is bad. I don't have the 498 manual in front of me but I think there is a test function under the setup menu. I'd check my connections (the usual suspect) then run that.

Garmin tech support is pretty good/quick. So don;t be afraid to give them a call.

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1 Answer

I have a gps Map 498-depth sounder not working? Have new transducer from Garmin-it flashes "00"-it is not connected to boat yet (transducer)-need it be or can I put in a bucket of water (need it be in...


If the transducer is out of the water, you will not get a reading and see the flashing depth. You should hear and feel the clicking in the transducer when out of the water and working properly. Are you getting a temp reading when out of the water?

May 16, 2010 | Boating

1 Answer

Depth sounder


the transducer has to be in the water or attached to the inside of the hull if fiberglass with no air between the hull and the transducer. It doesn't transmit thru air.

Mar 12, 2009 | Raymarine Boating

1 Answer

Navman 4150 fishfinder


Depth: Could be for a number of reasons, too deep for the sounder - check the manual for it's max depth. Dirty water, sounder unable to penetrate through to the bottom. Weed or other debris covering the transducer. Transducer on a swing mount & being pushed out of alignment then dropping back in once stopped.

Speed: Is the speed readout controlled by a GPS or paddlewheel? If it's GPS, check the power connection of the sounder, may be loose which would also cause the depth to 'drop out'. If it's paddlewheel, you're down to bad connections or faulty unit.

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