Trouble Shooting
Unit does not move rudder when AUTO is selected
•
Confirm AP46 LCD is displaying information.
•
Check voltage is present at the AP46 motor connections (Yellow)
when AUTO is selected and a course change applied.
•
Confirm that the supply voltage is 12 volts DC (Red and Black).
•
If using solenoid valves with an external power supply, check that
power is present.
•
Check all motor and / or solenoid valve wiring.
•
Check the hydraulic system:
1. Ensure there is sufficient hydraulic fluid.
2. Purge the system of possible air locks / contamination.
3. Ensure that any flow restricting valves are not completely
closed.
4. Check all connections for leaks.
Rudder drive hard over
•
After installation of the autopilot System if the rudder drives hard over
to their mechanical stops in the wrong direction, the motor connections
may need reversing or the solenoid valves connectors may need to be
swapped.
•
Rudder drives hard over to the mechanical stops in the correct
direction;
1. Check rudder feedback unit is connected to the rudder arm
2. Check rudder feedback cable for damage.
3. Ensure the rudder feedback plug is firmly connected to the AP46
unit and indicates on display when RFU mode selected.
TMQ AP46 Autopilot
Page 31 of 34
Ver1.0 07/03/2007
