Code SPOT-047: Collision Detection Alarm
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Collision Detection Alarm 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 Collision Detection Alarm has been detected. The robot might have collided with an object, or a Tip Stick might have occurred. Remedy: Carefully jog the robot away from the interfering objects, or free the weld gun from the Tip Stick. Verify that the Collision Guard option is not set too sensitive. Using the teach pendant: 1. Press MENUS. 2. Select SETUP. 3. Press F1, [TYPE]. 4. Select COL GUARD. Verify that the payload settings are accurate and do not exceed the capacity of the mechanical unit. Check the payload settings by using the teach pendant: 1. Press MENUS. 2. Press SYSTEM. 3. Press F1, [TYPE]. 4. Select Motion.
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 SPOT-047 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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