Code LNTK-045: Gp %d^2 near downstrm bound %d^3
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Gp %d^2 near downstrm bound %d^3 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 robot is approaching the downstream boundary that is currently in use. Remedy: This is a warning to indicate that a Track Destination Gone error could be imminent. It can be avoided by stopping the conveyor, changing the boundary or touching up the path to improve cycle time. 4.11.4 LSTP Alarm Code
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 LNTK-045 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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