Code SVGN-283: Wear ratio(%s) Not updated
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Wear ratio(%s) Not updated 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: Wear ratio was updated. (However wear down was updated ) System can not calculate when tips are not WORN.DOWN( = cap tip is increased ).There are some causes ; - Cap has been replaced. But new tip flag is OFF - Cap wear has been hardly changing. Wear ratio could not be updated in too short cycle. See SVGN-284 to confirm wear down changing. Remedy: Turn on new tip when tip is replaced in next time. Also Perform 2step after tip dressing several times.
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-283 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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