[TowerTalk] Need help with Tailtwister

[kq2m at kq2m.com]

Hi John,

Thank you for your reply and the suggeston.  I performed the tests in 
the manual as mentioned in my reply to W4TV.

Tnx & 73

Bob, KQ2M


On 2021-11-19 16:23, John Simmons wrote:
> Bob,
> 
> The first thing I would do is perform tests described in the manual.
> You will check the control box voltages on the rotor wiring and the
> resistance of the rotor from the ground. Documentation is your friend!
> If you don't have a manual you can download the manual from MFJ or
> find it lots of places on the web.
> 
> 
> --
> 73,
> -de John NI0K rural Debs, MN
> https://www.qrz.com/db/ni0k
> 
> 
> kq2m at kq2m.com wrote on 11/19/2021 3:26 PM:
>> 
>> Hi,
>> 
>> I have a sidemounted T2X @ 37' which turns a 5L 105CA.  The rotator is 
>> turning fine but the direction indication got erratic very briefly and 
>> then stopped indicating - with the needle pegged to the left end of 
>> the scale.
>> 
>> I had this problem once before and replaced one control box with 
>> another and there was no problem for a few years until now.
>> 
>> Does anyone know what is causing this?  I seem to remember something 
>> about an internal fuse in the control box - could that be a source of 
>> the problem?  I also realize that it could be a potentiometer with 
>> dirty contacts in the rotator but I don't think that is it since the 
>> indicator was only briefly erratic before it stopped indicating.
>> 
>> I would appreciate any thoughts and potential solutions.
>> 
>> Tnx & 73
>> 
>> Bob, KQ2M