Raymarine St290 - Page 269

Chapter 3: Autopilot Troubleshooting 8-3-5
ST290 Instrument System Owner’s Handbook
NO DATA
Note: The autopilot stops adjust-
ing the heading as soon as it loses
data.
In Track mode, the autopilot is not
receiving SeaTalk navigation data
OR
The position sensor (GPS, Decca) is
receiving a low strength signal.
Check the connections to the com-
pass, wind instrument and naviga-
tor.
Alarm will clear when the position
sensor receives a satisfactory sig-
nal.
NO PILOT The display unit is not receiving
data from the course computer.
Check connections and check
course computer is switched on.
RG FAIL GyroPlus yaw sensor has failed. • If you have a 150G/400G course
computer with internal GyroPlus
sensor – call a Raymarine service
agent.
• If you have a T150/400 course
computer with external GyroPlus
yaw sensor – check the sensor and
connections, then call a Rayma-
rine service agent.
SEATALK and FAIL 1 or 2 SeaTalk data problem on one of
the SeaTalk lines.
Ensure all SeaTalk cables are prop-
erly connected to the course com-
puter.
PILOT CALIBRATION REQUIRED Occurs at power up. Calibrate autopilot.
(See Section 8, Chapter 5)
DATA ERROR ALARM NMEA XTE data flagged as invalid
or poor GPS fix.
Check the navigation system is
receiving a good GPS signal and is
able to calculate a valid fix.
NO COMP Course computer is not receiving
compass data.
Ensure all SeaTalk cables are prop-
erly connected.
NO WIND Course computer is not receiving
wind data.
Ensure all SeaTalk cables are prop-
erly connected.
NO SPEED Course computer is not receiving
speed data.
Ensure all SeaTalk cables are prop-
erly connected.
Alarm message Cause Action
81183_2 S8.book Page 5 Tuesday, May 6, 2003 9:08 AM