[C320-list] Wheel pilot and Crazy Ivans

[Chris Burti]

There used to be a more complte set posted in the Raymarine tech
support online database (which I printed and have on board)...this is
what I found today.

1. Change the Rudder Gain from 5 to 2
2. Change the Auto Trim from 3 to 2
3. Change the Response from 1 to 2
4. Change the Drive Type from 1 to 2

Here is the fluxgate compass test procedure...you need a good test
instrument to read in the recommended scale.

Raymarine Fluxgate Compass Test (Multi-meter required)

Multi-meter should be set to:

(a) Resistance scale

(b) 200 ohm scale

The following procedure should then be followed:

1. Disconnect the transducer from the system.

2. Connect one multi-meter lead to the red wire and the other lead to
the green wire and a reading

as indicated in the test data table should be present.

3. Follow the above procedure for all the color combinations indicated
in the test data table.

4. If all readings match those indicated assume the compass transducer
is functioning correctly.

Compass Test Data:

Compass
Cable Colors
 Resistance

Measurements
 Comments

Red to Green
 4 ohms
 Measurement is taken between the two colors

Red to Yellow
 4 ohms
 As above

Green to Yellow
 8 ohms
 As above

Screen to Blue
 8 ohms
 As above

All other combinations
 Open Circuit

You are looking for a short or open.  A +or - 2 Ohm reading is allowed.

If this check indicates a fault with the compass then you will be best
served by replacing the compass. If no problem is indicated then you
should send the compass and the course computer to a repair facility
for evaluation.




On Mon, Feb 28, 2011 at 3:11 PM, Magnuson's Time A Weigh
<gary.magnuson at frontier.com> wrote:
> Thanks Paul,
> Did you see the Post that Karl offered?  I would be happy to have both sets
> when I head north this spring,
>
> Thanks,
> Time A Weigh #205
> Gary
> ----- Original Message ----- From: "Paul" <pjaarch at verizon.net>
> To: <C320-List at Catalina320.com>
> Sent: Monday, February 28, 2011 1:01 PM
> Subject: Re: [C320-list] Wheel pilot and Crazy Ivans
>
>
>> Gary - I will have to see if I have the settings in my file here at home.
>> If not I will get them next time I visit the boat.
>>
>> -----Original Message----- From: Magnuson's Time A Weigh
>> Sent: Monday, February 28, 2011 11:09 AM
>> To: C320-List at Catalina320.com
>> Subject: Re: [C320-list] Wheel pilot and Crazy Ivans
>>
>> Paul,
>> Would you be willing to share those settings?  I have owned our 1995 model
>> for three years now and it has always done the crazy Ivan's.  I am not
>> sure
>> that I have messed with any of the settings. Does everyone run through the
>> setup process every season?
>>
>>
>> Thanks,
>> Gary Magnuson
>> Time A Weigh # 205
>>
>> ----- Original Message ----- From: "Paul" <pjaarch at verizon.net>
>> To: <C320-List at Catalina320.com>
>> Sent: Monday, February 28, 2011 8:53 AM
>> Subject: Re: [C320-list] Wheel pilot and Crazy Ivans
>>
>>
>>> Mine also started doing that at the beginning of last year.  As it turns
>>> out, some of the settings in the setup had changed over the winter.  I
>>> contacted a friend and he gave me his settings.  Works perfectly now.
>>>
>>> Paul Adison
>>> C320 "Rough Draft"
>>> #722
>>>
>>> -----Original Message----- From: R.G. Miller
>>> Sent: Monday, February 28, 2011 12:43 AM
>>> To: c320-list at catalina320.com
>>> Subject: Re: [C320-list] Wheel pilot and Crazy Ivans
>>>
>>>
>>> Hi Alan;
>>> Mine started doing that a number of years ago after not doing it for  a
>>> few years. Swore there was something wrong with the unit. Turned out that
>>> the fridge was going on and off more than before and that was affecting the
>>> compass. Moved the compass further away (ahead of the water tank) and never
>>> had the problem again.
>>>
>>> RG Miller
>>> Pretender #197
>>>
>>>
>>>> From: goodmanalanlee at hotmail.com
>>>> To: c320-list at lists.catalina320.com
>>>> Date: Sun, 27 Feb 2011 20:01:14 -0500
>>>> Subject: [C320-list] Wheel pilot and Crazy Ivans
>>>>
>>>>
>>>> Hi folks. Like most of us, I have a ST4000+ wheel autopilot. Problem is
>>>> it is very prone to doing 'crazy ivans' (reference from Tom Clancy's Hunt
>>>> for Red October). I have tested the flux compass following RM's diagnostic
>>>> guidelines and it checks out ok. I don't think my set up has a 'course
>>>> computer, just a 'control head' ... does this make sense? Could this be an
>>>> electrical supply problem (short, broken wire?). Anyone with any insight? I
>>>> don't want to have to replace the whole system if it is an easy fix or just
>>>> one bad component. Anyone have an old but working control head and/or
>>>> compass ... I would like to use the 'swap and test' method, versus paying
>>>> for expensive technician time to trouble shoot with test equipment. Happy to
>>>> pay 'rental fees' for these components and outright purchase the parts that
>>>> fix my problem. Any thoughts from the forum? Alan Hull #67 Holland, MI
>>>>
>>>
>>>
>
>



-- 
Chris Burti
Farmville, NC