Code F00061: Par Cl. MMC-PS not fitted Fault
Issue Description & Safety Warning
The Siemens SINAMICS G120 CU240S Drive has triggered a critical Par Cl. MMC-PS not fitted Fault 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
Reaction: OFF 2 Acknowledge: Quit fault eg. via DI2 Cause: MMC-PS Cloning Failed. - r0949 = 0: MMC-PS Not Connected or incorrect MMC-PS Type - r0949 = 1: MMC-PS cannot write to MMC - r0949 = 2: MMC-PS File not available - r0949 = 3: MMC-PS cannot read the file - r0949 = 4: MMC-PS problems in the clone File (e.g CRC) Remedy: - r0949 = 0: Use MMC-PS with FAT12 or FAT16 format or correct MMC-PS Type, or fit an MMC-PS to Drive. - r0949 = 1: Check MMC (e.g is MMC full) - Format MMC again to FAT16 - r0949 = 2: Put the correct named file in the correct directory /USER/SINAMICS/DATA. - r0949 = 3: Make sure File is accesable. Recreate File if possible - r0949 = 4: File has been changed - Recreate File
Source: SINAMICS G120 Control Units CU240S Faults and Alarms (Edition 05/2007)
Last reviewed: 2026-07-01 · Verified against the manufacturer’s official documentation.
About Siemens SINAMICS G120 CU240S Drive Alarms
Siemens controllers include extensive self-diagnostics that flag or halt the machine when a fault is detected. Error code F00061 on the SINAMICS G120 CU240S Drive identifies one specific fault condition — its documented cause and the official corrective steps are listed above, sourced from Siemens's service documentation. Always confirm against the manual for your exact machine configuration and follow LOTO procedures before servicing.
Complete Alarm List: 108 Siemens SINAMICS G120 CU240S Drive codes.
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