Code CVIS-370: Measuring plane not set.
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Measuring plane not set. 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: Measuring plane is not trained. Remedy: Place a grid pattern plate in the camera field of view and teach the measuring plane or, check use grid calibration checkbox and choose a grid-pattern calibration data. CVIS-422: Barcode library is not initialized.. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-423: Barcode library is already initialized. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-424: Barcode lib: memory allocation error. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-425: Barcode lib: parameter out of range. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-426: Barcode lib: invalid parameters. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-427: Barcode lib: invalid image. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-428: Barcode lib: NULL parameter passed. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-429: Barcode lib: invalid grayscale variable. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-430: Barcode lib: incompatible image buffers. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-431: Barcode lib: invalid 1D Barcode structure. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-432: Barcode lib: invalid calculation lines. Cause: Internal error. Remedy: Contact your local FANUC representative. 4.ERROR CODES B-83124EN-6/02 CVIS-433: Barcode lib: invalid result structures. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-434: Barcode lib: barcode not found. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-435: Barcode lib: error calculating orientation. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-436: Barcode lib: error calculating location. Cause: Internal error. Remedy: Contact your local FANUC representative. CVIS-437: Unknown error from barcode library. Cause: Internal error. Remedy: Contact your local FANUC representative.
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-370 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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