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FANUC Alarm CVIS-066 — Contrast is too low

FANUC CVIS-066 (“Contrast is too low”): Vision Shift error. First check: The image contrast may be lower than the image contrast threshold.

Updated 2026-09-17 · LogrobotLM reference

Description

Vision Shift error. Unable to find a target in an image because the image contrast is low.

Remedy

The image contrast may be lower than the image contrast threshold. Check the image and adjust camera and lighting conditions so that the clear target image can be captured. Otherwise adjust the Contrast parameter in Vision SETUP screen.

Related codes

CVIS-064Target is too far awayCVIS-065Target is tilted too muchCVIS-067Target is not clearCVIS-068Mastering calculation is failed

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