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Thread: Kappa CT Tracer L07 - Unable to block/ Reading Camera Not Working

  1. #1
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    Kappa CT Tracer L07 - Unable to block/ Reading Camera Not Working

    Hello Everyone,
    I am getting an error with my CT Tracer. The error is A75 c22.4/601.
    I am unable to block lenses. I believe the reading camera is not working, it reads no prescription. Can any assist me in fixing this issue, I have searched the web continuously to no available, and I keep seeing a message error Code A57. I also got a notification about a barcode 39. Please Help.

    Thank you.
    Last edited by Vista Eyeglasses; 10-09-2020 at 02:40 PM.

  2. #2
    OptiBoardaholic Thumbs's Avatar
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    The message barcode 39 only means that the barcode reader is initialized and working. Most operators never notice it is always on until they have a problem. The error code A75 c22.4/601 is Error requiring the camera resetting, Check the cleanliness of the optical system, make sure the lighting is uniform.

    You can also reach out to Essilor technical team at service@essilorinstrumentsusa.com for support.

  3. #3
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    Thank you help! Much appreciated.

  4. #4
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    Good morning, I will refresh the topic because I have the same problem in L07. I think the light is too weak because backlighting with a flashlight helps.
    I don't suspect the camera module is dirty due to its tightness.
    Hence my question if anyone knows the parameters of the diode used in the tracer. I measured that it works at 5V but I can't find anywhere how many lumens it should have. I probably won't get the original part, so I'll try substitutes.
    And the second thing is, maybe someone knows whether the diodes in L10 and L07 are the same?

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