Code CVIS-508: Calibration data is not selected.
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Calibration data is not selected. alarm. Immediate attention from a qualified operator or maintenance technician is required to prevent secondary damage to the equipment or spoiled parts during the manufacturing cycle. Always ensure standard safety and LOTO procedures are followed before accessing electrical cabinets.
Official Troubleshooting Steps
Cause: Calibration data is not selected. Remedy: Select calibration data. CVIS-516: The 2-D Barcode reader does not support QR Code Model 1. Cause: The 2-D Barcode is QR Code Model 1. This code is is old and is not supported. Remedy: None. CVIS-522: Failed to detect motion. Cause: Motion of axis failed to be detected. Remedy: Check measuring group number is the same as selected group number on UIF. Check measuring axis number is the same as selected axis number on UIF. CVIS-523: Failed to align to ref. pos. Cause: Target mark can't be aligned to reference position. Remedy: Check measuring group number is the same as selected group number on UIF. Check measuring axis number is the same as selected axis number on UIF. Check attachment of measuring target mark again. CVIS-524: Robot position is invalid. Cause: Robot position is invalid. Remedy: Pease don't jog robot or execute other programs during step data measurement. CVIS-525: Master image is not trained. Cause: Master image is not trained. Remedy: Train master image first. CVIS-526: Wrong master image size. Cause: The size of image to add does not coincide with the size of master image. Remedy: Either capture or load an image with the size of master image, or clear the master image first. CVIS-527: Master image reference pose is not set. Cause: Window Shift Tool is inserted before Surface Flaw Inspection Tool. Remedy: Train master image for static removal again. CVIS-528: Shading coefficients are not set. Cause: Shading coefficients are not set. Remedy: Train master image for shading removal first. CVIS-529: Shading coefficients cannot be calculated. Cause: Not enough pixels are available to calculate the shading coefficients. Remedy: Re-edit the run-time mask for shading background removal and reduce the area to mask. CVIS-530: Image is not suitable for teaching shading removal. Cause: The image is not suitable for teaching shading removal. Remedy: Use another image preprocess, or mask the pixels that have irrelevant grayscale change. 4.4 D 4.4.1 DICT Alarm Code
Source: FANUC Robot R-30iA Alarm Code List Operator's Manual
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Fanuc R-30i Series Robot Controller Alarms
Fanuc controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code CVIS-508 on the R-30i Series Robot Controller identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Fanuc's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 6553 Fanuc R-30i Series Robot Controller codes.
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