Simrad IS12 Speed

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   Hi

I have seen other posts in
this forum from real Simrad IS12 experts, so hope somebody can give me a hint
to how to proceed from here J 

I have just installed my new Simrad IS12 Speed/log with the
new transducer, so far so good.

But after turning on the power, the display pending up and
down around 5 knots, no steady reading, and approximately 5 knots
with the impeller not turning?

To me it looks like some
interference somehow, but everything else onboard is turned off and
disconnected to eliminate this. Without any effect. The display and transducer
is connected with the original cable, so no changes in the cable impedance.

Do anybody have any experience
like this, and maybe an idea to how this can be fixed? 

Thanks in advance 

/Kristoffer Møller

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kkmoeller Members Profile Send Private Message Find Members Posts Add to Buddy List Sub Lieutenant Joined: 12 January 2018 Location: Hals Denamrk Status: Offline Points: 2	Post Options Post Reply Quote kkmoeller Report Post Thanks(0) Quote Reply Topic: Simrad IS12 Speed Posted: 12 January 2018 at 09:02
	Hi I have seen other posts in this forum from real Simrad IS12 experts, so hope somebody can give me a hint to how to proceed from here J I have just installed my new Simrad IS12 Speed/log with the new transducer, so far so good. But after turning on the power, the display pending up and down around 5 knots, no steady reading, and approximately 5 knots with the impeller not turning? To me it looks like some interference somehow, but everything else onboard is turned off and disconnected to eliminate this. Without any effect. The display and transducer is connected with the original cable, so no changes in the cable impedance. Do anybody have any experience like this, and maybe an idea to how this can be fixed? Thanks in advance /Kristoffer Møller

Lykke Members Profile Send Private Message Find Members Posts Add to Buddy List Lieutenant Joined: 07 January 2016 Location: Norway Status: Offline Points: 26	Post Options Post Reply Quote Lykke Report Post Thanks(0) Quote Reply Posted: 12 January 2018 at 09:24
	Hi, I Guess you have installed the IS12 combi-instrument. My boat has a cable from the transducer with 4 seperate cables that need to be mounted individually behind the instrument. (I got info from another post here, that the white and brown cable are for the temperature measurement). Have you checked carefully that you have not switched or misplaced any of these cables?
	Lykke, Hanse 430e, #8 from 2007

Lykke Members Profile Send Private Message Find Members Posts Add to Buddy List Lieutenant Joined: 07 January 2016 Location: Norway Status: Offline Points: 26	Post Options Post Reply Quote Lykke Report Post Thanks(0) Quote Reply Posted: 12 January 2018 at 13:39
	Hi, It may also be worth looking at this post: http://www.myhanse.com/simrad-is12-combi-instrument-fault_topic8054.html
	Lykke, Hanse 430e, #8 from 2007



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