Navnet put MOB on its path

northcaptain

Furuno Super Fan
This morning while navigating since 5 days, the Navnet 3D started to put MOB behind it, defeating the NAV and falling back to AUTO. It happen like this:

On a route or a GOTO point :

1-Waypoint was changed message on the autopilot
2-No Nav Data on the autopilot
3- MOB point appear where the boat was

Can someone help me diagnose this problem. :sail
 
northcaptain,
Try this: press the menu button, select the Alarm Menu, make sure you are on the General Tab, Now turn the External Alarm Input to off.
It sounds like you may have a lose connection or the event switch contacts may be touching but there could be a few other things that would cause weird functions like this.

If the external alarm input is set to off and its still doing the MOB issue, then give tech support a call to help diagnose what may be going on.
 
DB Cooper you nailed it right on. I was navigating yesterday and inadvertently changed the output from INTERNAL to EXTERNAL without noticing... i had to put my slave MFD8 offline because it was impossible to do anything. I will reintegrate it with the master. thanks so much ! This forum is great !
 
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