Code PRIO-189: (%s^4, %d^5) WAIT will time out
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical (%s^4, %d^5) WAIT will time out 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: The input used in this WAIT instruction is simulated and is designated as Skip When Simulated. This WAIT instruction will timeout and program execution will proceed with the next line. Remedy: None. This is only a warning to indicate that a Simulated Input Skip will occur.
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 PRIO-189 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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