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Raymarine c70 scanner not rotating

Hello,I have a raymarine c70 with radar dome.
Now I have a problem,he,s not scanning.
On the display after starting the scanner appears;scanner is not rotating.
Cables and connections are fine.
Is it possible the driving belt of the scanner?

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6 Suggested Answers

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Posted on Jan 02, 2017

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mohammed387
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SOURCE: raymarine radar won't power up

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Posted on Sep 14, 2008

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MarineTech1
  • 76 Answers

SOURCE: Antenna not rotating

It sounds like voltage loss could be your issue. You need to find the "Y" cable under the dashboard and measure the voltage at the point where it connects to the main 12V supply. Keep the meter on and then spin up the radar. If there is a fuse (there should be) make sure you are measuring on the radar side of the fuse. If the voltage drops off as the radar slows, you have found your problem. If the voltage stays constant and the connections are sound at the terminations in the radar pedestal, I would recommend you send the pedestal in to Raymarine.

Posted on Sep 03, 2009

  • 111 Answers

SOURCE: Hi, I have a Radar Screen. Furuno 1942 MK2 . What

A 1942 is a 6 kw radar a 1720 is either a 1.5 or 2.2 kw dome. The two will not work together. Besides the cabling is different. Also the radar cable on a 1942 is round where as the 1720 is square. The 1942 display should work fine on a 1943 navnet radar.

Posted on Oct 31, 2009

TechnoMarine
  • 132 Answers

SOURCE: Hi, Furuno 1731 radar - no sweep/echo seen on

Go to longest range and full Gain min Rain and Sea Clutter
Do you have speckle? Yes = Receive OK, Wiring OK,No transmit (magnetron or modulator) No = Most likely a broken wire
There is a very tiny coax (shielded wire) that is know to lose its' center conductor, which is very delicate

Posted on Jan 13, 2010

TechnoMarine
  • 132 Answers

SOURCE: furuno radar antenna not rotating

yes, this is a common failure after hours and hours of use

Posted on Jan 13, 2010

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