Sounds like you are driving it too far to the East. You may need to
rotate the tracker on the pole towards the east, and then reset the
limit switches.
Also, don't have the limits more than 180 degrees total, or you start
asking for trouble. It can try to do the morning reset back around to
the North, if the azimuth is set to wide.
R.Ray Walters
CTO, Solarray, Inc
Nabcep Certified PV Installer,
Licensed Master Electrician
Solar Design Engineer
303 505-8760
On 9/22/2014 10:30 AM, Solar wrote:
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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