Alarm/Warning
Rudder drive overload
Rudder limit
True wind shift
Wind shift
Possible cause
Reversible motor: motor stalls or is
overloaded.
Solenoids: shortage to ground or
cabling damage.
The set rudder limit has been
reached or exceeded. May be
caused by disturbance to compass
(waves), speed log, sharp turn or
improper parameter setting.
True wind shift exceeds wind shift
limit.
True wind direction has changed by
more than the limit.
Recommended action
• Check for possible mechanical blocking of rudder
• If heavy sea at high rudder angle, try to reduce boat speed or
rudder angle by steering at another heading
• Make sure there is no shortage to ground or cabling damage
• Disconnect cable from autopilot computer to motor, and
make sure there is no alarm when trying to run in NFU mode
• Check that the drive unit is appropriately dimensioned for the
boat and rudder size
• Notification only
• Take appropriate action to handle the vessel
• Re-enter WIND mode to reset the Wind shift reading
• Take appropriate action to handle the vessel
• Re-enter WIND mode to reset the Wind shift reading