Question about Furuno 1623 Radar 16nm Range

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No heading pulse

My 2 years old furuno 1623 has a fault no heading pulse.the scanner sweep is also intermittent sometimes juddering to a halt from phoning furuno uk i get the feeling this is a well known fault anyone else had this?

Pete

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Open the dome cover and check the belt that spins the array. Sometimes the gear on the motor that holds the belt comes loose and will not spin the array. I have seen this on 4 radars and all were about the same age. The gear has a small allen head set screw. Move the gear down and tighten the screw down. If you are still having issues there are some more troubleshooting techniques you can do, but you will need a multimeter to test voltages coming from the display.

Posted on Jun 14, 2010

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Got the same problem, but they tried to fix it 3 times w/o success, See here:
http://www.thehulltruth.com/marine-electronics-forum/278966-furuno-1623-no-heading-pluse.html

Posted on Jan 13, 2011

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Hi my furuno radar 1623 ,is not working proper,it is showing no heading pulse where do i go to repair this problem or what do i have to do .this unit has about 700 hr thanks dale


OPEN RANDOM , START THE RADAR TX , NOW MOVING THE IN SIDE SCANNER REFLACTOR ? IF YES CHECK MAGNET FOR THIS MOVING PART OF SENSORE, NOW ME BE FOULTY, REPEIR POSSIBLE TO INDIA EMAIL : KAPERBVC@YAHOO.COM

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No radar target images


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Furuno Radar 1623 and 1715


Hello.

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Hope this was helpful.

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2 Answers

Furuno 1623 Radar reading "no heading pulse"


The messages “NO HEADING PULSE” and “NO BEARING PULSE” means that the display is not communicating with the scanner (antenna). Both of these signals are generated in the scanner if you get this error check that the antenna cable is firmly connected and that the contacts are clean and corrosion free.

If the connection at the display looks good and feels like it’s properly connected, check the cable for any damage If you find damage you could try to repair the wires BUT (because of corrosion and moisture problems) IT IS STRONGLY REMENDED that the cable be replaced, but it’s kind of expensive $275.00.

The Part number is 000-130-034. Depending on the marine shops in your area they may have it in stock (or they can order one) but you can get it directly from Furuno at;
http://www.furunousa.com/Furuno/Rooms/Search/ProductPropertySearchResults?_webrFormIdentity=com.webridge.layout.FormLayoutExImpl%5BOID%5B47F81E95CB197F4C8708859EA0E22F08%5D%5D&_webrFormUniqueID=0&_webrCharacterEncoding=iso-8859-1&_webrLocale=en-us&_webrClusterUpload_2=&ptype=com.webridge.entity.Entity%5BOID%5BE670694808555649838ED263AA4CAB0A%5D%5D&productname=000-130-034&searchOption=normal&searchOption_webrHidden=radio

I hope it’s just a loose connection. Good luck!

Apr 28, 2008 | Furuno 1715 LCD Radar System GPS Receiver

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