Nav Pilot 300 display not working but getting nav pilot position source changed

Dialedinfishing

New member
When I fire up the NavNet TZT2 system the auto pilot display used to fire up with the entire system, now the auto pilot display has no power and I am getting a constant beep on the navnet network screen that "nav pilot position source changed" and it is a constant beep and reminder. We are also getting the "HDG source changed. Need Calibration" but we still have no power to the auto pilot head unit. We have checked fuses, connections, terminals etc and still have no power to the head unit, is it possible the head unit is bad and is causing these errors or is it possible the processor is bad?? Any ideas or suggestions? Thanks so much. Also getting the "speed Source changed" error on the TZT2 display screen.
 
Ensure that you have breakered the power so the NMEA 2000 bus power and the power going to the pilot direct come up at that same time or the same source breaker. The errors you are seeing on the NavNet seem to relate to something with the items of your 2000 bus not consistently being available. It might indicate you have a NMEA 2000 bus problem going on. I would recommend looking at your data sources list in the MFD to ensure that all your "Preferred" items match the "Current" items in the list. You might also look at the sensor list to see if you have grayed out items showing up under your Canbus.
 
Back
Top