For further information, please contact the RIVA Service Department.
| Problem | Cause | Corrective action |
| 1. The display does not operate | No power supply | Check the fuses and the track computer, then check the condition of the fuse/main switch |
| 2. The display shows dots | Control unit is not receiving data | Check connections |
| 3. The display shows rotating dots | The compass is being compensated | The compass is being compensated |
| 4. The heading data of the autopilot compass does not correspond to the navigation compass | The compass has not been automatically compensated | Carry out procedure for deviation and alignment |
| 5. The graphic bar is not used | The bar has been deactivated in Dealer Calibration. | RUDDER BAR or STEER BAR selection |
| 6. The steer bar shifts in the opposite direction of the rudder bar | Invert the red and green connections of the tiller angle transducer on the course computer | |
| 7. The yacht moves to new heading too slowly | The rudder gain is too low | Complete, the Auto Learn or increase the value |
| 8. The yacht moves to new heading too quickly | The rudder gain is too high | Complete, the Auto Learn or decrease the value |
| 9. The autopilot appears as instable when operating in Track mode, or the track keeping is slow | If the current speed exceeds 35% of the yacht’s speed and if the yacht’s speed is not available, modify the parameter of cruising speed in Dealer Calibration, entering the yacht’s cruising speed | Check |
| 10. The autopilot seems unstable for North courses in the north hemisphere or for South courses in the south hemisphere | The hemisphere has still not been selected | |
| 11. The calibration is not accessible | The access to calibration is blocked | Disconnect it in Dealer Calibration |
| 12. The autopilot does not communicate with other instruments | Connection problems | Check that all cables are connected properly |
| 13. The position data are not received | The navigation system does not transmit the correct position data | |
| 14. The autopilot does not carry out the waypoint shifting | Waypoint tracking information is not available |