[RE-wrenches] Watsun problem

Bob-O Schultze bob-o at electronconnection.com
Mon Sep 22 18:49:03 PDT 2014


A small amount of dirt or (more probably, bird crap on the E sensor might do that. Also, try moving the limit switch to limit the E stop by just a tooth or two. If that works, it's probably because there is a bit of wear on the gearing which would be normal.
Bob-O

On Sep 22, 2014, at 5:27 PM, Solar wrote:

Thanks for the reply. 

I didn't see any spots in the control box that make me question it. I will say that when it was installed the circuit board had to be sent back because a few of the solder spots on the back of the circuit board were not smoothed out and then had pierced wires causing the fuse in the supply circuit to blow.

No lighting activity lately, but I didn't look and the limit switch. 

Keep them coming!

Jesse

Sent from my iPhone

On Sep 22, 2014, at 11:53 AM, Glenn Burt <glenn.burt at glbcc.com> wrote:

> Any sign of electronics failure in the controller box?
> Recent lightning activity in close proximity?
> How about a dead spot in the limit switch, or limit switch inoperable?
> From: Solar
> Sent: ‎9/‎22/‎2014 12:30
> To: Wrenches
> Subject: [RE-wrenches] Watsun problem
> 
> Hello,
> 
> I am having an issue with a Watsun dual axis tracker. It is a 24VDC model, run of a battery bank that is charged through an outback inverters connection to the grid. So the battery voltage is always at 24V. The tracker will run fine for a couple days then it will get stuck in the east facing direction. I can make it track by switching the control box to "Manual Control Mode" and then moving the array in any direction for a second or two and then switching it back to "Automatic Control Mode". It will then track for a couple days and get stuck in the east direction again. 
> 
> Everything is greased regularly, and the voltage at the motors is always where it needs to be. I haven't noticed anything binding the tracker in the east direction and it seems like to sensor is fine because it tracks after I use the steps I described above to move it. 
> 
> Any thoughts?
> 
> Thanks as always,
> 
> Jesse  
> 
> Sent from my iPhone
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