13 lines
443 B
Markdown
13 lines
443 B
Markdown
# Prototype board does not show the ON light
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Isolate to only USB power by disconnecting from vehicle and plugging in to USB power. If that helps. There is probably a problem with the 12V power supply.
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Check the 3.3V LED.
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## ON light is bright, but can not communicate over USB
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Check that the FTDI driver is installed and that you find your COM port.
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## Can't open Java console
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Make sure you have Java installed and are opening with Java.
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