Code ER09: PMC LABEL CHECK ERROR. PLEASE TURN ON POWER AGAIN WITH PRESSING 'O'&'Z'. (CLEAR PMC SRAM)
Issue Description & Safety Warning
The Fanuc 0i-D / 0i Mate-D Alarm List has triggered a critical PMC LABEL CHECK ERROR. PLEASE TURN ON POWER AGAIN WITH PRESSING 'O'&'Z'. (CLEAR PMC SRAM) 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: PMC alarm list <1> Turn on the power of the CNC again, The nonvolatile memory of the PMC by holding down the 'O' and 'Z' keys system needs to be initialized in at the same time. such cases as when you have <2> Replace the backup batteries. changed the PMC model.
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 ER09 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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