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Posted on Apr 19, 2010
Answered

Raymarine "DSM connection lost"

Hello,

I have a Raymarine E120 with a DSM 300 connected to an Airmar B258 thru-hull transducer. The system worked fine for the first 2-3 years in boat, but in the last year or so I have been experiencing the following problems;

Sometimes lose depth reading, screen freezes and "DSM connection lost" is displayed on screen along with an audible alarm. (This occurs at all speeds & depths).
Sometimes unplugging & replugging cables @ the DSM restores connection but not always.
Occasionally the screen will freeze without any alarm or messages displayed.

I don’t think voltage or current to the unit is an issue & I have replaced the cable between the DSM & the SeaTalk hs Network Switch & installed the most recent software.

Thanks,
Murray

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Kevin Gens

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  • Posted on Jun 14, 2010
Kevin Gens
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Murray,

Has the DSM and the E120 software been upgraded to the latest software: 4.12 for the DSM and 5.52 for the E120?

Try this first. You can download the software off Raymarine.com and burn each to a separate compact flash card.

I have seen many problems like you are experiencing solved with this simple change.

If this doesn't solve the problem, the DSM will have to go back to Raymarine for repair.

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  • Posted on Aug 08, 2010
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I HAVE HAD A RAYMARINE E80 FOR 3 YEARS NOW NOT ONE PROBLEM UNTIL I UPDATED THE SOFTWARE 3 DAYS AGO AND NOW I GET DSM PROBLEMS WITH ALARMS.

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