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ContinuousWave: Small Boat Electrical
Garmn 440s depth finder locking up
|Author||Topic: Garmn 440s depth finder locking up|
posted 08-16-2009 07:29 PM ET (US)
My Garmin 440s has been locking up under way. The chart plotter works fine. When in either spit screen mode(Sonar&Chartplotter), Sonar mode or chart plotter mode. The depth finder locks up. I either have to turn the unit off or almost completely stop the boat before the sonar starts working again. Has anyone experienced this same problem?
posted 08-17-2009 11:51 AM ET (US)
I have occasionally seen the same symptoms with my 545s while underway. Most of the time the depth reading will flash while underway, and then will resume normal operation once I slow down. I assumed this was just from turbulence and normal. A couple of times is did not resume normal operation, and would stay in a confused state or locked up. Reboot was required. I haven't found any resolution yet.
posted 08-17-2009 04:00 PM ET (US)
Thanks Mike. I tried calling Garmin today. The expected wait time was 30 minutes. I did not wait. I thought they may suggest an undated download or something. The problem seems to be getting worse.
posted 08-17-2009 04:26 PM ET (US)
Past experience has proven that Monday is bad day to call Garmin tech support. Try middle of week, got right through on Wed afternoon.
posted 08-17-2009 04:38 PM ET (US)
Have you set the transducer depth as the Garmin manual says?
My 540s miss behaves at high speed and I'm thinking the transducer needs to go deeper.
posted 08-17-2009 05:48 PM ET (US)
I loose depth on my 172c as well. The display goes to either --- or flashes the same depth. Typically, it will re-aquire depth on it's own. It is either due to catching air or the transducer picking up debris.
posted 08-18-2009 12:10 AM ET (US)
it worked fine last year. no changes this year. good point regarding monday calls.
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