ComNav 1101 Autopilot
9. Problem Solving
Several different problems and possible solutions are outlined
below. Often the problem is not with the Autopilot. In order to find
and rectify problems, spend a few minutes performing the basic
troubleshooting procedures given in this chapter. If the suggested
solution does not solve the problem, return the Autopilot or affected
printed circuit assemblies to a ComNav dealer or the factory for
service. Be sure to include a description of the problem and what
steps were taken to eliminate possible causes.
Problems in DOCKSIDE SETUP Mode
The Autopilot does not turn on. The display screen remains blank
and does not light up.
1. Check that the circuit breaker is turned on and that any in-line
fuses used are good.
2. Ensure that the cable from the Distribution Box is securely
connected to the SPU receptacle labeled “Distribution Box”.
3. Ensure that the cable from the 1101 Head is securely
connected to the SPU receptacle labeled “Control Head”.
If the problem persists, there may be a problem with either the
1101 Head or the SPU. Contact a ComNav dealer or the factory for
service assistance.
The Autopilot turns on but will not go into DOCKSIDE SETUP
mode.
Make sure the correct buttons are being pressed in order to enter
DOCKSIDE SETUP mode. Refer to the sections on “Reset” and
“Full Reset” in Section 5—Getting Started.
The Autopilot enters DOCKSIDE SETUP mode but immediately
comes up with “Error – Redo rudder setup”.
1. Check the rudder follower wiring for correct installation as per
the instructions in the Installation chapter.
2. You may have set the rudder limits for port and starboard too
close together. The Autopilot will not accept the rudder limits if
they are less than about 10 degrees port and starboard. Redo
the Rudder Setup.
If the problem persists, contact a ComNav dealer or the factory for
service assistance.
9 - 1 PROBLEM SOLVING
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