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FANUC Alarm CVIS-344 — The cylinder calculation did not converge.

FANUC CVIS-344 (“The cylinder calculation did not converge.”): The max fit error is too small. First check: First, adjust the setting of max fit error.

Updated 2026-09-17 · LogrobotLM reference

Description

The max fit error is too small. Or there are too few laser slit points or too many noisy points.

Remedy

First, adjust the setting of max fit error. Second, adjust the setting of exposure or min laser contrast so that an appropriate laser image can be obtained. Last, adjust the laser measurement area properly.

Related codes

CVIS-342No 2D measurement result.CVIS-343Fail to initialize the cylinder calculation.CVIS-345There are too few calibration points.CVIS-346There are no target position.

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