Coapi1141 Fsw Fehlerhaft 〈2025〉

Clear the MAN FileThe most common fix reported by users on forums like Bimmerforums and CarTechnoloGY is to empty your FSW_PSW.MAN file. Navigate to your NCSEXPER/WORK folder.

2. Wahrscheinliche Symptome

Detailed Description

Upon executing a specific sequence in the part program (see attached log), the NC issues alarm coapi1141 "FSW fehlerhaft". According to the Siemens documentation, this suggests either: coapi1141 fsw fehlerhaft

Summary of Issue

The control system repeatedly triggers alarm coapi1141, indicating a faulty or corrupted FSW (Frame Synchronization Word or a user-defined FSW function block). This error appears intermittently during [e.g., tool change / cycle start / NC program run] and leads to an immediate program stop, loss of position reference, and in some cases, a requirement to reboot the entire control. Clear the MAN File The most common fix

Try using a standard "Expert Mode" profile without manipulation to see if you can read the module successfully. Detailed Description Upon executing a specific sequence in

Ensure you have the latest Daten files for your specific chassis (e.g., E89, E60, E90). BMW Coding Tool to update the files in your Verify the Profile

Open FSW_PSW.MAN with Notepad, delete everything inside, and save it as an empty file.

If your car has been updated by a dealer recently, your NCS Expert "Datens" (data files) might be too old to recognize the new parameters in the module. Update your folders using the latest BMW Coding Tool 4. Hardware/Communication Check