[TowerTalk] Prosistel 61D

[Dave Sublette]

Call Jeff.  He gives excellent advice.

K4TO

On Sat, Dec 24, 2022, 10:08 PM tony.kaz--- via TowerTalk <
towertalk at contesting.com> wrote:

>
> I have had the 61D for several years and it was worked well. It is turning
> an original SteppIR MonstIR. I have a Green Heron RT-21 with the GH pot in
> the 661D. The other day when I went to turn the antenna nothing happened.I
> tried using a 12V supply. Same problem.When I try to turn the antenna, I
> get an "ERROR  NO MOTION" .Current draw is 400mA.I am feeding the rotator
> with three #14 wires for CW, CCW and GND.Since this problem occurred, the
> antenna has been slowly moving in the wind from 280 degrees to 231 degrees
> - both actual movement and reading on the controller match. My thought is
> the motor's worm gear is not engaged so therefore it can't act like a
> bake.  Is it possible the motor is running fine but not engaged with the
> pinion gear?  Is 400mA the correct current?
> Any thoughts or ideas before I climb?ThanksN2TK, Tony
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