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I have a garmin 3210 on my boat. I will b driving in the bay and the screen will show sonar service lost and the depthfinder will not show any number and the sonar screen will freeze. Anything that I can do to fix this? Thanks Josh

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5 Suggested Answers

6ya6ya
  • 2 Answers

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Posted on Jan 02, 2017

SOURCE: 310 c garmin gps on boat not working

Hi, 673king, My Garmin is c330, but I think that all GPS's of this nature are programmed only for roads -- not bodies of water. I haven't updated my 2-yr.-old-Garmin yet for new maps, but what you describe concerning the red question mark is exactly what I get when I am on a road that was constructed after my Garmin was programmed. Since the GPS can't find the road in its memory, it merely has a red question mark until I get onto a road that the software recognizes. It then operates as usual.

Posted on Aug 10, 2008

  • 1 Answer

SOURCE: Garmin Nuvi 250w screen freezes when attempting to

I have the same problem as you. How you solved it?

Posted on Jul 18, 2010

gopakumarg43
  • 73611 Answers

SOURCE: My Lowrance LMS-332C GPS was

Hello
If the GPS works and sonar section does not work at all, check the followings.

1# Check the power cable's connection at the unit. Also check the wiring

2# Make sure the power cable is wired properly. The red wire connects
to the positive battery terminal, black to negative or ground
3# Check the fuse.

4# Measure the battery voltage at the unit's power connector. It should

be at least 10 volts. If it isn't, the wiring to the unit is defective, the

battery terminals or wiring on the terminals are corroded, or the battery
needs charging.
Check whether there have any wiring break, loose. During servicing the boat, there is chance to get the wiring of sonar to sonar sensor at the botom of the boat may have damaged. Check these. OK.

Posted on Aug 29, 2011

  • 4 Answers

SOURCE: Garmin Nuvi 660 touch screen freezes up. Soft

I sat on the phone for 30 minutes waiting for Garmin support when my Nuvi suddenly had no touch screen response. They had me delete a file on the device (with it hooked to my computer) then reboot and it went thru a touch screen alignment and it worked.

Sadly, it has frozen again and I don't recall the file (it had been a GCD file in all caps, that is all I know and I don't see a file in all caps any more). I will be calling support tomorrow.

My take is that it *is* a firmware thing *and* there is some way to reset the firmware.

Posted on Dec 02, 2011

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Your screen being black sounds like your sonar is losing bottom contact due to air bubbles passing under the transducer. This is a common occurrence with most boats.

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The GSD 22 is discontinued. I would not buy any electronics that are discontinued, because there has to be a reason.

If I were in your shoes I would be looking a full change to either the brand leaders, Raymarine or Humminbird. I have had Humminbird since 2007 with a 798SI and since 2014 with a 998SI HD. 100% reliable for GPS and depth. Boat used twice a week May to October. The 998 has features to set a chart course and I do that when coming from Toronto to Port Credit. Humminbird also do full chart plotters, but in Georgian Bay, I wouldn't have thought necessary unless you use an auto-pilot. Uses Blue Chart maps.

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I did find this thought and there are others in the thread
http://www.thehulltruth.com/marine-electronics-forum/146766-installer-i-stumped-garmin-problem.html

Make certain that the transducer(s) cable is separated from any engine power cables. When those wires cross or are bundled together, the highly sensitive sonar signal gets polluted with high amp noise bleeding off the engine wires, and you're lucky to get any signal.
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GSD 21 with 3210 problems - Google Search

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