Code SYST-198: Slave Robot Not Ready
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Slave Robot Not Ready 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: Some slave robots are not ready to run a program. Remedy: All slave robots have Auto/T1/T2 switch to be AUTO. $RMT_MASTER system variable must be 4 (Robot Link). The variable settings can be: z 0:User Operator Panel z 1:CRT/KB z 2:Host computer z 3:Remote device none z 4:RobotLink master
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 SYST-198 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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