Code F00395: Acceptance Test / Confirmation pending
Issue Description & Safety Warning
The Siemens SINAMICS G120 CU240S Drive has triggered a critical Acceptance Test / Confirmation pending 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: This fault occurs after a Powermodul (PM) / Control Unit (CU) Swap or a Startup Clone. It can also be caused by a faulty read from the EEPROM, see F0051 for more details. The parameterset after a CU swap or a startup clone could have changed and might not match the application. This parameterset needs to be checked before the drive can start a motor. - r0949 = 3 / 4: Swap of PM/CU - r0949 = 5: Startup Clone via MMC has been performed - r0949 = 10: Before the last power up an acceptance test was pending due to a swap or a startup clone. Remedy: Safety Units: An Acceptance Test needs to be performed. Follow the the steps of the Acceptance Log which is part of the Oper- ating Instructions. After performing the acceptance test the fault can be acknowledged by the following procedure: P0010 = 30 P9761 = Safety password P7844 = 0 The fault will be cleared automatically and P0010 will be set back to 0 Non Safety Units: The current parameterset needs to be checked and confirmed by clearing the fault or setting P7844 = 0.
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 F00395 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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