Programming:
Updating Firmware on Multiplus Inverter (Page 3/3)
Troubleshooting:
If the cable is connected to the inverter and powered on without internet connectivity.
a) The update file will be corrupted, and must be re-installed from step one. Be sure to be connected to the internet
before plugging in the MK3 into the inverter and power cycling.
What To Do if the Port is not Recognized - Getting MK3 Compatible USB Drivers
• Open VE Configure.
• Go to the Special Tab at the top —> Dropdown to USB Drivers.
• It will pull up a message screen, click yes.
• You will download a file now, it will bring up the download destination screen. Put the file in a location you can find later.
• You will see a success message.
• You can close VEConfigure after getting that driver downloaded.
• Next go to to the Device Manager on your PC.
• If you can’t locate it, just search for “Device Manager” in the search bar.
• Scroll down to “Universal Serial Bus Controller” which should be near the bottom.
• Expand the list of devices
• Take a photo of the list of devices
• Unplug the MK3 from the USB port.
• See which device was removed when compared to the photo. It should be “USB Serial Converter”.
• Plug the MK3 back in to the USB port.
• The device will reappear. Highlight the device and click on properties.
• Go to “General” at the top.
• Click on “Change” Settings.
• Click on “Drivers” at the top.
• Click on “Update Drivers”.
• Click on “Browse my computer for driver software”
• Locate the folder that you downloaded it to at the beginning, select the folder.
• It will state the driver is installed - You are finished with this portion.
Now we want to go back to step 4 above, and the port should be recognized with the MK3.
AM Solar Inc.
3555 Marcola Rd.
Springfield, OR 97477
541.726.1091
www.amsolar.com
Rev.20181204
