Robertson AP9 MK3 Autopilot
6-2 20169223D
NO RUDDER
RESPONSE
(May be disabled in Thruster steering)
If a rudder command is not executed, or the rudder moves in wrong
direction, this message will be shown on the display. The reason can
be a malfunction of the steering gear, or simply that the steering gear
is not switched on.
Other reasons may be:
a.
Wrong connection of feedback unit.
b.
Broken feedback unit transmission link.
c.
Opposite Port/Stbd output connection to solenoids or motor.
d.
Sticking solenoid valve.
SIMULATION
DATA-ERROR
Rudder movement simulation failure
NAVDATA NOT REC.
FAILURE
Check that the nav. receiver is turned on and set up properly (see
manual).
NAVDATA INVALID
FAILURE
Poor reception conditions or improper set-up of nav. receiver.
WRONG DATAFORMAT
CHECK NAVSETTING
Wrong NMEA-format selected on autopilot or transmitted by nav.
receiver.
The last three messages indicate problems with reading the signals
from the navigation receiver. If you are unable to cure the problem,
after having checked all connections and the nav. receiver and
autopilot set-up, consult the factory or main distributor.