Code JOG-001: Overtravel Violation
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Overtravel Violation 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: A robot overtravel has occurred Remedy: Use the MANUAL FCTNS OT release menu in to find out which axis is in an overtravel condition. Release overtravel by holding the SHIFT key and pressing the RESET key. At this time the servo power will be turnned on. If the SHIFT key is released, the servo power will be turnned off again. You can only use JOINT to jog the axis out of overtravel. If you want to jog the overtraveled axis further into the overtravel direction, you have to release the axis by moving the cursor to the axis direction you want, then press release function key in the OT release menu. At this point you can jog the axis to that direction.
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 JOG-001 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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