On the sreen appear the words no heading pulse and the target does not match the actual position

Ron Dufek

• 398 Answers
• Posted on May 03, 2008

SOURCE: 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!

John Barry

• 132 Answers
• Posted on Jan 16, 2010

SOURCE: Furuno 1622 doesn't work, water coming out cable at screen!

yes the cable should be replaced if you are lucky, the unit is still OK (display) Try the new cable, draped across the boat before rigging. If fault exists with new cable, replace system, or find a new display on ebay

SOURCE: Furuno 1715 Radar - 'NO HEADING PULSE'

More than likely the belt has come off again. This is a common problem with this radar. You'll need a small allen wrench to tighten it up again.

SOURCE: may i upgrade furuno 1920 gps/ploter with radar

If it has a round radar plug in the back then the answer is yes and it already has radar support. However to upgrade your unit to the latest software you will need a dealer for that. It's a very tricky process and if not done properly, you can ruin the bootloader programming that starts the unit. I know of a dealer that does this if you want to check in with them. You can even send them the unit. Try www.mid-shore-electronics.com.

SOURCE: Error SB SIG MISS on FURUNO CRT radar?

Either your reed switch is bad or your antenna is not rotating. You may hear the motor spinning but that does not mean the array is. If the array is not spinning make sure the belt did not come off the motor. Start there.