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SOLVED! They sent me a new usb to serial cable, the internal cable, and the circuit board that attaches to the LCD and now it connects. The circuit board was the issue as the two replacement cables had no effect.

Thanks! Appreciate the extensive writeup!

The V3.0.3. shows up on the LCD screen of the tester when I power it on. I am using the software from the forum, 1.8.5, and also tried the software from ZKE's site, same result. The COM port shows up like you mention. I have been back and forth with the vendor and they are sending me a new...

I have just purchased an EBC-A40L tester and followed the instructions from the manual to connect it to my PC but I keep getting “No Device” when connecting. My steps: Install the EB Tester Software (from ZKETECH website) Install the USB driver Connect the USB TTL cable Find the COM port in the...

Looking for some feedback on my first systems design for our sailboat. Couple of notes: - The alternator is governed by a Sterling Pro AltC, this maximizes the alternator output while preventing overheating - If the LFP pack disconnects, the FLA starter battery acts as buffer to avoid the...