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+--- Thread: USB-C Connectivity and COM Port Issue with KC868-A4S Relay Controller (/showthread.php?tid=7094)
USB-C Connectivity and COM Port Issue with KC868-A4S Relay Controller - Bhumijo - 11-20-2024
Hello,
I am facing an issue with my KC868-A4S relay controller. When I connect the device to a PC via a USB-C cable, the PC does not recognize it. The red light on the device turns on when powered, but there’s no indication that the USB-C connection is active, and the COM port does not appear.
Here are the steps I’ve tried so far:
- Tested with 3-4 different Type-C data cables but still couldn't detect the COM port on the PC.
- Installed the USB driver from this link before attempting the connection.
Could you please guide me on how to resolve this issue? Additionally, if the device itself is not working, is there a way to verify whether the hardware is functioning correctly or an alternative method to test it?
Looking forward to your suggestions.
Thank you!
RE: USB-C Connectivity and COM Port Issue with KC868-A4S Relay Controller - admin - 11-20-2024
USB-C cable whether connect to computer directly? not by USB-HUB? i suggest you use another computer for a testing.
RE: USB-C Connectivity and COM Port Issue with KC868-A4S Relay Controller - Bhumijo - 11-20-2024
(11-20-2024, 11:38 AM)Bhumijo Wrote: Hello,
I am facing an issue with my KC868-A4S relay controller. When I connect the device to a PC via a USB-C cable, the PC does not recognize it. The red light on the device turns on when powered, but there’s no indication that the USB-C connection is active, and the COM port does not appear.
Here are the steps I’ve tried so far:
I’ve attached a photo showing the device powered on with the red light picture .
- Tested with 3-4 different Type-C data cables but still couldn't detect the COM port on the PC.
- Installed the USB driver from this link before attempting the connection.
Could you please guide me on how to resolve this issue? Additionally, if the device itself is not working, is there a way to verify whether the hardware is functioning correctly or an alternative method to test it?
Looking forward to your suggestions.
Thank you!
RE: USB-C Connectivity and COM Port Issue with KC868-A4S Relay Controller - Bhumijo - 11-20-2024
tried with another pc, connect to the pc directly with that data cable,
RE: USB-C Connectivity and COM Port Issue with KC868-A4S Relay Controller - admin - 11-20-2024
contact with whatsapp number: +86-15381188302 we use ANYDESK remote control your PC to have a look.