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 Post subject: DSM Location
PostPosted: Mon Jun 24, 2013 11:56 am 
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Joined: Thu Jul 13, 2006 7:45 pm
Posts: 2866
Location: Indiana
I'm getting a DSM connection lost error quite frequently. I'm assuming the DSM is located behind the chart plotter?

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2007 358 T-5.7GXi IB
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'08 H240, '08 V318, '04 268, '04 225


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 Post subject: Re: DSM Location
PostPosted: Mon Jun 24, 2013 5:21 pm 
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Sting Ray

Joined: Sat Feb 04, 2012 4:08 pm
Posts: 69
I believe so. I have started to get the DSM connection lost error as well. Let me know what you find....


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 Post subject: Re: DSM Location
PostPosted: Tue Jun 25, 2013 5:47 am 
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Joined: Sun Dec 07, 2008 11:07 am
Posts: 815
Location: Freeland, MI
It is behind the plotter. I get the same error occasionally when retrieving the anchor. Voltage drops enough to cause it

When I spoke to raymarine they said the dsm should be wired with its own switch and be turned on after the windlass is used

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'14 Cruisers 380 Express "Simon Sez"
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 Post subject: Re: DSM Location
PostPosted: Tue Jun 25, 2013 6:56 am 
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wkearney99

Joined: Fri May 19, 2006 3:50 pm
Posts: 2444
Location: Boat in Annapolis, live in Bethesda, MD
Voltage drop plagues a lot of electronic gizmos.

It may also be a matter of too small of a wire gauge feeding the unit. FW has gotten low marks on this in the past, some circuits are pre-wired with a wire gauge that's only barely up to the load. As a result by the time the load is applied the drop of voltage becomes apparent. The simplest way to check this is to use a volt meter. Check the voltage at the battery. Then check it at the device, both while off AND while operating. If there's more than a 1 volt drop then it would probably be wise to consider re-wiring with a larger gauge wire.

FWIW, I've never pinned down why but I will randomly get 'Position Fix Lost' errors on my E-80. Sometimes it happens within a few minutes of powering up. Sometimes while underway. But never with any detectable consistency. Not after bumps, rolling or operation of other gear. I've chalked it up to a flaky GPS unit. This after already having checked the voltages (and installing additional batteries for the ship systems side).

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 Post subject: Re: DSM Location
PostPosted: Tue Jun 25, 2013 8:56 am 
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Joined: Thu Jul 13, 2006 7:45 pm
Posts: 2866
Location: Indiana
Mine didn't act up when using the windlass, but I did use it on that trip.

Its going back to Raymarine for repair as soon as I get the loaner DSM from them. From what my searching came up with, this is an known issue with the DSM300.

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2007 358 T-5.7GXi IB
Previous Boats
'08 H240, '08 V318, '04 268, '04 225


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 Post subject: Re: DSM Location
PostPosted: Tue Jun 25, 2013 10:28 pm 
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Sting Ray

Joined: Sat Feb 04, 2012 4:08 pm
Posts: 69
Yes, a lot of times I get error messages when using the windlass as well. But lately have been loosing DSM communication when under way as well.


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 Post subject: Re: DSM Location
PostPosted: Wed Jun 26, 2013 9:03 pm 
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Joined: Thu Jul 13, 2006 7:45 pm
Posts: 2866
Location: Indiana
I seem to get the error while cruising. Generator and battery charger are on at that time also, so it doesn't sound like a voltage issue. My water temp is off, but that isn't a big deal. Having the annoying beeps that I need to acknowledge constantly and then the depth reappear instantly is a PITA.

Loaner DSM arrived today, this thing is HUGE. Will I be able to get it out if I remove the C80 from the dash?

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2007 358 T-5.7GXi IB
Previous Boats
'08 H240, '08 V318, '04 268, '04 225


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 Post subject: Re: DSM Location
PostPosted: Wed Jun 26, 2013 10:14 pm 
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All Night Long
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Joined: Fri Jul 06, 2007 12:03 am
Posts: 1899
Location: Lake Washington, Seattle, WA
Yes, the DSM is 'in' the dash. You take the plotter out and ideally you can get to it. as I recall, mine is off towards the steps a bit.

I'm not super impressed with Raymarine anything these days. I still haven't fixed my x-ducer, and I too get dsm-signal loss errors. I've also gotten a GPS location error recently that I can't attribute to anything obvious.

take some videos of getting the dsm out... Many of us would love to see it.

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2008 318 Vista -SOLD, but I am still around!
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