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Code SVGN-032: Tip increased error(Gun)

Issue Description & Safety Warning

The Fanuc R-30i Series Robot Controller has triggered a critical Tip increased error(Gun) 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 measured tip wear on the gun side (moving tip) indicates that the tip has grown by an amount greater than the Gun Increased Error(mm) setting. Remedy: First confirm the condition of the tip. If the tip is not ok, then replace it, and perform tip wear measurement again. If a chip from tip dressing remains on the tip, remove this chip then re-measure the tip wear. If new tips were installed after the previous tip wear measurement, be sure the tip wear update program was run with the New Tips Parameter set to (1) in the Call instruction for the tip wear macro. If this parameter was not set correctly, then press fault reset and run the tip wear update program again with the New Tips Parameter set to (1). If the tip is OK and the new tip parameter was set correctly, then perform the tip wear measurement again. Observe the gun closely during this operation. Be sure the tips touch during the 1st step of the tip wear measurement and be sure the gun tip touches the fixture during the 2nd step (if used). If the gun tip does not close fully during either step, then the gun friction has probably increased. To compensate, run Autotuning then Pressure Calibration and perform the tip wear setup procedure again with new tips. Inspect the gun to find the reason for the increase in friction. If both steps of the measurement perform correctly then it might be necessary to increase the value of the Increase Error(mm) setting for the robot side tip. Do this on the Tip Wear Detection screen (SETUP-SERVO GUN-GENERAL SETUP).

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 SVGN-032 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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