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Testing of the VDO LOGIC Pilot system
General tests:
1.
Check whether all the components have been installed in accordance with the relevant instructions.
2.
Check all system connections before you switch the power for the system on.
3.
Check whether the right miniature circuit-breakers or fuses are installed and whether the on-board power
supply has the correct voltage. Power supply for computer module: 12 or 24 V.
Tests prior to the test run:
1.
Turn the rudder by hand. Ensure that the rudder can be moved through its full range without the rudder
position sensor arm catching in the steering system.
2.
Move the rudder manually into the central position.
3.
Turn the power supply for the hydraulic pump and the autopilot on. If the steering system starts to work
immediately, you have to switch off again without delay and check all the connections again.
4.
The autopilot performs self-tests. If an error message is displayed, read the section on "Error messages"
(see p. 53).
5.
Turn the rudder to port. The pointer on the lower scale must move left. If it moves right, the polarity of
the rudder position sensor is reversed. Change the polarity. (See installation instructions for VDO PILOT
BOX 609/619.)
6.
Move the rudder into the position with which the vessel is normally steered on a straight course. If the
pointer is not now in the centre (0 position) of the lower scale, you should now adjust the centre position
with the basic settings function "Rud-C" (see p. 49).
7.
The autopilot has an electronic rudder limiter which is set at the works.
Use the 3 keys in the pilot box to test whether the rudder limitation is effective before the mechanical
stops are reached. If this is not the case, reset the value in the basic settings function "Rud-L" (see p.
49).
8.
Move the rudder by hand into the centre position. Make sure that the basic settings for the autopilot
are in accordance with the type of vessel (see p. 50).
9.
Press the "PILOT/STANDBY" key. The autopilot is then active. There should be no rudder motion or
only a very slight motion.
If the rudder continually moves in one direction, switch the system to standby operation immediately
by pressing the "PILOT/STANDBY" key again and reverse the polarity of the pump motor (see installation
instructions for VDO PILOT BOX 609/619).
If the rudder constantly swings around the central position, the setting for the rudder response band
"Resp" should be increased.
10.
Then press the "ARROW RIGHT" key. The drive system should now start up and the rudder must move
to starboard. Press the "ARROW LEFT" key, and the rudder must move to port. If the rudder moves in
the wrong direction, switch to standby operation immediately and reverse the polarity of the pump motor
(see installation instructions for VDO PILOT BOX 609/619).
Repeat the test! If the rudder continues to move in one direction only, switch the system off immediately
and repeat the general tests.
11.
Check whether the course displayed corresponds to the actual course. If you find a major error, adjust
the compass alignment with the "Align" function (see p. 43).
12.
If subsidiary equipment is connected, check whether the "STANDBY/PILOT" modes can be activated
on all display units.
TESTING OF THE VDO LOGIC PILOT
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