Simrad AUTOPILOT SYSTEM AP50 Manuel D’Utilisation

Page de 188
 Troubleshooting 
20221032B
 169 
Display readout 
Probable fault Recommended 
action 
Vessel off course 
Extreme weather 
conditions, very slow 
speed, or boats heading is 
outside the fixed Off 
heading limit of 20° 
(automatic reset when 
inside the limit). 
1.  Check the steering parameters 
(Rudder, Autotrim, Seastate 
filter). 
2.  Increase the Rudder value 
3.  Increase the boat speed, if 
possible, or steer manually. 
4.  Check the steering gear and 
autopilot interface. 
NAV. data failure 
(---). 
Refer to page 145. 
Missing or invalid Nav. 
data.  
1.  Use NMEA Test menu. 
2.  Check the Nav. receiver set-up.