Code PS5346 / BG5346 / SR5346: RETURN TO REFERENCE POINT
Issue Description & Safety Warning
The Fanuc 0i-D / 0i Mate-D Alarm List has triggered a critical RETURN TO REFERENCE POINT 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
Section: CNC alarm list Alarm group: Program/operation, background edit, communication (PS/BG/SR common alarm number) Original alarm number: 5346 The coordinate estab lishment of the Cs contour control axis is not made. Perform a manual reference position return. 1) When Cs coordinate establishment is made for the Cs-axis for which the Cs-axis reference position status signal CSPENx is 0 2) When positional information is not sent from the spindle 3) When the servo off state is entered during the start of Cs-axis coordinate establishment 4) When the emergency stop state is entered during Cs-axis coordinate establishment T 5) When the Cs-axis is under synchronous or superimposed control 6) When an attempt is made to release composite control for the Cs-axis during Cs-axis coordinate establishment 7) When an attempt is made to start synchronous, composite, or superimposed control for the Cs-axis during Cs-axis coordinate establishment
Source: Fanuc B-64305EN/03 Appendix A Alarm List
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Fanuc 0i-D / 0i Mate-D Alarm List Alarms
Fanuc controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code PS5346 / BG5346 / SR5346 on the 0i-D / 0i Mate-D Alarm List 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: 769 Fanuc 0i-D / 0i Mate-D Alarm List codes.
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