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"E-mark cable reader" bricked device

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发表于: 04-06-2022 05:20:58
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I chose the "E-mark cable reader" tool to see the wattage of the cables attached. This is the first time I used that tool. The screen went black.

Now when I insert a power cable, the backlight lights up for a fraction of a second and goes black again.

I'm not sure if I misunderstand the manual or the device is faulty.

Is there a way to unbrick this device or did I destroy it?
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 楼主| 发表于: 04-06-2022 06:21:31
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I figured it out.

The cable was connected to a PD power source, and somehow that doesn't work. After connecting the cable to a non-PD source, the E-mark tool starts normally so I can exit the tool.
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发表于: 11-09-2022 12:41:04
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Edited by StatiC at 11-09-2022 12:42

The manual for the CT-3 states that you should not plug the other end of the cable into anything to get the e-mark data.  They also recommend to power the unit from the PC port (can plug it into a power bank and not a PC of course for power).

https://www.avhzy.com/wp-content ... Meter-UI-Manual.pdf

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