Code SDTL-048: Wrong data type(Line %s)
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Wrong data type(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. Wrong data type (identifier) is specified in CSV file. Remedy: Displayed line of specified file has problem. String at which X_DYNDAT detected error is displayed, too. Even if the string is valid identifier for X_DTCOPY, it may not be supported by X_DYNDAT. Actually most of valid identifier of X_DTCOPY are not supported by X_DYNDAT. Please specify identifier that is supported by X_DYNDAT.
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-048 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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