STOWE MARINE DATALINE-X COMPASS, User Manual

Page: 43 / 48

Part 5 Fault Finding
 
 
Page 37
For Standalone Displays - Connected to a Heading Sensor or Autopilot
Condition Probable Cause Action
The LCD display is blank and
the pointer does not move.
No 12V power supply. Check the fuse(s) and / or circuit
breaker(s).
Check the power supply wiring.
No Displays. No information from the heading
sensor.
Check that the heading sensor is
turned on.
Check the heading sensor
NMEA output specification
against the COMPASS input
specification. (Appendix A).
Check the heading sensor power
supply wiring.
Check the signal wiring from the
heading sensor to COMPASS.
Check that the heading sensor is
driving other remote displays
correctly.
Contact your dealer.
No Autopilot Display, even
though the Heading and Locked
Course Displays are working.
Data not available from the
Autopilot.
Check the Autopilot NMEA
output specification against the
COMPASS input specification.
(Appendix A).
Contact your dealer.
All headings are incorrect, by
the same amount.
Note:
When checking a Compass
ensure that the check is against
a deviated magnetic card
compass, or against magnetic
bearings, or against a good hand
held compass held well away
from any magnetic or ferrous
objects.
Heading sensor not aligned
correctly.
RFC250 Sensor: Loosen the
fixings and rotate the sensor so
that the arrow is facing directly
forwards. Tighten the fixings
again.
Dataline Sensor: Check that the
sensor is mounted on a bulkhead
that faces exactly forwards. If
so then contact your dealer.
Other Sensor: Consult the
manufacturers instructions.