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diy solar

Recent content by Wendy

  1. W

    Trying to Solve My Mystery Solar Problem

    Heads up all... I think I have my answer. I just checked the actual terminal block fuse, and it IS blown. There is no continuity from one side of fuse the the other. So I think this is the problem. Thank you to everyone who jumped in to help me. Thank you!
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    Trying to Solve My Mystery Solar Problem

    07/28/23 I would like your input on what could be the issue with my solar system in my van. My system/van was recently completed, and I am finding the electrical is behaving like it cannot get enough power. And when the sun sets, there is NO solar power available, even though the batteries are...
  3. W

    ACr error on Renogy MPPT 40 Controller

    Updated 6/18/23 pm Well, its been a few days of troubleshooting... checked all connections, tightened all connections. The solar panels ARE producing appropriate volts. Batteries are all fully charged. But the inverter still does not work. The MPPT Rover controller still gets an ACR error...
  4. W

    ACr error on Renogy MPPT 40 Controller

    6/18/23 Mike, I tend to agree with you that those things are not the issue. As far as the Rover seeing the batteries, I did, and do always turn the rover on first then the PV connection. The batteries are all at 13.7 volts. The controller also says they are full.
  5. W

    ACr error on Renogy MPPT 40 Controller

    The battery port on the controller is fine. Both PV in and Battery Out are at the same read as the batteries, I think it was 13.7.
  6. W

    ACr error on Renogy MPPT 40 Controller

    Apparently, it doesn't. lol. That was not the problem...
  7. W

    ACr error on Renogy MPPT 40 Controller

    Solution? I spent time on the phone with the support people at Renogy... and I may have it figured out... I have the wrong size fuse for the inverter... I had 400 but should have 300. So that is probably why it was giving me the ACr error, and the inverter kept faulting. So I have a new one...
  8. W

    ACr error on Renogy MPPT 40 Controller

    So I was looking at the information about grounding your inverter, and this forum has some info... looks like you should have a ground. Here is the link if you are interested. :) https://diysolarforum.com/threads/how-does-your-inverter-deal-with-ground.17138/
  9. W

    ACr error on Renogy MPPT 40 Controller

    Thanks for all your comments. I appreciate it. :)
  10. W

    ACr error on Renogy MPPT 40 Controller

    Here is a better image of the battery connections. The shunt is on the far left under the red switch...
  11. W

    ACr error on Renogy MPPT 40 Controller

    How do I test that? Multi-meter to the load ports on MPPT? I dont have anything using those ports...
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    ACr error on Renogy MPPT 40 Controller

    What is your set up? Battery AH, Solar panels, and inverter?
  13. W

    ACr error on Renogy MPPT 40 Controller

    So should I remove the ground do you think? What is your set up? Battery AH, Solar panels, and inverter?
  14. W

    ACr error on Renogy MPPT 40 Controller

    Yes. The yellow is the Giandal Inverter ground. I thought that the negative bar would ground it since it goes to the ground for the system.... So you have the same set up? My Renogy MPPT controller does NOT like my victron 700 battery monitor and also not my Bosch water heater. Or maybe it just...
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