DMI Instruments

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gholker

.
Apr 25, 2010
11
Catalina 27' Sloop Bellport, NY
My DMI knot meter stopped working, shows 0.0 knots, has power and my depth meter reads between 4ft and 114ft and sometime displays the correct depth The area I sail in is no deeper than 25’

How can I determine if the SST 109 and ADX210 need to be replaced?

I believe I replaced the SST109 a few years back.
 
Joe

Joe

.
Jun 1, 2004
8,205
Catalina 27 Mission Bay, San Diego
gholker said:
My DMI knot meter stopped working, shows 0.0 knots, has power and my depth meter reads between 4ft and 114ft and sometime displays the correct depth The area I sail in is no deeper than 25’

How can I determine if the SST 109 and ADX210 need to be replaced?

I believe I replaced the SST109 a few years back.
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Have you cleaned the speedo's impeller lately? Also... check the depth transducer for growth. Then, of course, check all the wire connections.
 
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