Code PALL-017: Cycle number %s invalid.
Issue Description & Safety Warning
The Fanuc R-30i Series Robot Controller has triggered a critical Cycle number %s invalid. 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: PalletTool allows initialization of palletizing data by allowing users to pass a cycle number to the CALL PMPROCDT(cycle_number) in some teach pendant programs. If the user passes an invalid cycle number which is less than or equal to zero, or higher than the maximum number of cycles which is 20, or a number higher than the number of cycles in the application, this error will result. Remedy: Make sure to pass a valid cycle number to the call to PMPROCDT in the teach pendant program used.
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 PALL-017 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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