[TowerTalk] Yaesu G-2800 problem with new unit

[Glenn Pritchard]

What I did with a G-1000 and a 800 was turn the rotator upside down and this released the stop.
Then moved the controller the opposite direction.

Glenn, VA7UO 

Sent from my iPhone

> On Sep 8, 2019, at 9:05 AM, Wayne Kline <w3ea at hotmail.com> wrote:
> 
> Al,
> 
> 
> 
> Green Heron rotor control are akin to the Swiss Army Knife of rotor boxes.
> 
> On page 30 in the appendix A.7  Yaesu  All versions. It give a detailed  way to turn f it’s past the controllers “soft limit”
> 
> Mode = DEBUG
> 
> 
> 
> If all else fails call Jeff @ Green Heron
> 
> 
> 
> GL
> 
> 
> 
> Wayne W3EA
> 
> 
> 
> Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Windows 10
> 
> 
> 
> ________________________________
> From: TowerTalk <towertalk-bounces at contesting.com> on behalf of john at kk9a.com <john at kk9a.com>
> Sent: Sunday, September 8, 2019 10:59:19 AM
> To: towertalk at contesting.com <towertalk at contesting.com>
> Subject: Re: [TowerTalk] Yaesu G-2800 problem with new unit
> 
> I have never used this combination but every Green Heron controller
> that I used with my TIC rings defaulted way out of calibration.  Did
> it turn initially and not is stopped?  I am wondering if you are
> simply at a rotation stop.
> 
> John KK9A
> 
> N6TA wrote:
> 
> I hooked up my brand new RT-21 Green Heron controller to a brand new G-2800.
> On the ground thru the final cable.
> 
> The rotor will not turn and the GH controller says Error No Motion.  Lots of
> checks and the motor winding is open, pins 4 and 5 on the rotor itself.
> 
> Upon initial test, I had no idea where the rotor was in its range.  The
> RT-21 said 263 when it was turned up while being connected to the rotor.  I
> used the point and shoot knob and set it to about 180 deg, the end of travel
> limit, I believe.  While watching the rotor from 20' away, I saw it move
> momentarily.  It has not moved since.
> 
> 
> 
> Looking at the documentation, I assume that the limit switches in the
> rotator are open in some way that will not allow current to the motor.  Or,
> that there is an internal wire failure or the filter unit PCB in the rotor
> has an open.
> 
> I note that the internal potentiometer is at end of range at 500 ohms as
> measured from pins 1 to 2 and 1 to 3 of the rotor.  Pins 2 to 3 is
> essentially a short.
> 
> I believe the RT-21 is working fine and all the cable and connectors have
> been checked till I am sick of testing!
> 
> 
> 
> I am hoping someone has some experience with this such that I can get it
> going.
> 
> 
> 
> Al
> 
> N6TA
> 
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