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Unread 05/04/2012, 02:28 PM   #4
Craig Borowski
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Join Date: Dec 2011
Posts: 492
Yes, some or all of the LEDs should come on when connected to USB. The only time they wouldn't would be if all of the pump speeds had previously been set to 0.

Let's try a couple of more things:

If you installed the software from the CD that came with the controller, then please go to this page to download the newest version. Uninstall the previous version and reinstall the one you downloaded. Double check the COM ports after installation and try again.

You may also try using a different USB port on your desktop. On some computers, especially older ones, the voltage through some of the USB ports can be below specifications. Your best choice is to use one of the USB ports on the back of the machine, as these go straight to the motherboard and are generally the most reliable.

Let me know how that works out and we'll take it from there...


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