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In-Sight 8900 Connected via USB-C Does Not Appear in In-Sight Vision Suite and Leds Flash Red

When the In-Sight 8900 is connected via USB-C but does not appear in In-Sight Vision Suite and its LEDs flash red, the issue is typically caused by an insufficient power supply from the USB-C cable. The In-Sight 8900 requires a cable that meets the power delivery specifications outlined in the official documentation. Using a compliant cable will restore normal operation: the device will appear in In-Sight 8900 and the LEDs will turn green.

2026/03/10

Details

Symptoms

  • The IS8900 does not show up in ISVS.
  • Device LEDs are flashing red.
  • Connection is made using a USB-C cable.

Cause

The USB-C cable being used does not provide sufficient power for the IS8900 to operate correctly.
According to the official specifications, the IS8900 requires a USB-C cable that meets the power delivery requirements outlined in the documentation.

Refer to the full specifications here:
In-Sight 8900 Series Reference Manual - In-Sight 8900 Series Vision System - Documentation | Cognex 

In-Sight 8900 Connected via USB-C Does Not Appear in In-Sight Vision Suite and Leds Flash Red-img1

Solution

  • Use a USB-C cable that complies with the specifications recommended by Cognex.
  • Once the correct cable is connected:
    • The IS8900 will appear in ISVS.
    • The LEDs will turn green, indicating normal operation.

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