Code SRVO-005: Robot overtravel
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Robot overtravel 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 hardware limit switch on an axis was tripped. Usually, the movement of the robot is prevented from exceeding a limit beyond the maximum range of movement (software limits) for each axis. However, when the robot is shipped, the overtravel state is set for transit. Remedy: 1. Hold down the SHIFT key, and press RESET to reset the alarm. 2. Continue holding the SHIFT key, and jog the robot to bring all axes into the movable range. 3. If this alarm cannot be reset, refer to the Controller Maintenance Manual for more information. NOTE: 1. The direction of jog of each axis is limited until the alarm is released. It cannot jog to the direction where the axis moved when the alarm is occurred. 2. In the robot calibration incomplete status, you can release the above note1 limitation with the overtravel release screen [SYSTEM/ OT release].
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 SRVO-005 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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