ComNav Marine 1420 Autopilot System
Problem Solving
Problems during the Setup Routine
If the 1420 Autopilot finds a problem during the Setup Routine, the Pilot Key light will flash
repeatedly. The problems which the Autopilot can detect during the various steps of the
Setup Routine are listed below.
Once you have fixed the problem, press the Pilot Key to begin the Setup Routine from
where you left off.
HEAD INDICATION PROBLEM & HOW TO FIX
If the Pilot Key flashes: You have one of the following problems.
• during Steps 1 to 7: 1. The Autopilot has found a fault in the Rudder Feedback
wiring.
CHECK:
• the Rudder Feedback wiring at the Processor
2. The Autopilot has tried to move the rudder but it has not
detected any rudder movement.
CHECK:
– that the rudder is moving
• that the Rudder Feedback is moving with the
rudder
• at the end of Step 9: The Autopilot is not receiving any information from either a
Fluxgate or a Magnetic Compass.
CHECK:
• the compass wiring connections at the Processor
• while compensating a
Fluxgate Compass:
The Autopilot cannot compensate the compass in the
present location.
Move the compass to a new location on your boat.
Document PN 29010012 V1.3
54
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