Code SDTL-055: Empty field does not exist(Line %s)
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Empty field does not exist(Line %s) 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: Execution of X_DYNDAT causes this error. CSV file doesn't have empty field (field that doesn't have character) where it is expected. If data for an identifier is composed of 2 or more lines, the 2nd or later lines must start with empty field. Remedy: Check displayed line of CSV file. String at which X_DYNDAT detected error is displayed, too. Check data type and its data format. Input data in proper format.
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 SDTL-055 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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