Raymarine instruments problem -when connecting Radar all turns off

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letsgamble
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Joined: 2/17/19
Posts: 32
Raymarine instruments problem -when connecting Radar all turns off

Hi there!
Im newbie in electrics and I really need help.

This is my setup:
Raymarine C80 chartplotter
Raymarine ST60 Wind
Raymarine ST60 Depth
Raymarine ST60 Speed
Raymarine P70 with ACU-200
Raymarine Raystar 125 GPS
Raymarine Radar M92650-S (2KW)

Chartplotter, Wind, Depth, Speed, Autopilot and GPS all are working. When all connected they often go crazy (they stop "talking" to each other for short durations, for example depth to P70 autopilot, P70 autopilot looses connection with ACU-200, ST60 Wind stops showing wind speed etc.). When I disconnected one/two instruments it's getting better. When I tried to connect radar radome for the first time today, it just automatically snaps off switch Nav Instruments on the main electric board. It feels like the instruments are overloading this 12v circuit. I will be obliged for help how to diagnose and go about this problem.

Thanks

Siler Starum's picture
Siler Starum
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Joined: 4/20/18
Posts: 113

Reading your problem I think you have either a problem with the power supply, voltage drop because the cabling / power supply installation is not in balance or with EMC. 
Presume you have the Raymarine Seatalk reference information where you can read more details. If not please find attached.
Hope this helps trouble shooting. 

Durk Nijdam
S/V "SILER"
Catalina 36MKII - 2001 / hullnr. 2013
Stavoren - Holland

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PDF icon sea talkng reference manual1.66 MB
rstonge
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Joined: 11/2/08
Posts: 64

Not really following your wiring diagram. Did you produce this or is it from Raymarine? On my installation the radar and autopilot are own their own switches (accessory 1 & 2). I think the radar might be overloading your circuit breaker.

Ron St. Onge
C36 MKII Hull 1384

Ron St. Onge

1995 Catalina 36 MKII Hull 1384

letsgamble
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Joined: 2/17/19
Posts: 32

Thanks for replies.
If anyone is wondering what was wrong, it needed to cut the RED wire in the yellow wire going into seatalk converter.

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