Frequently Asked Questions (FAQs) for Beckhoff TwinCAT - How to View Error Codes

Generally, module errors will be displayed as TRUE in Error, and there will be an error code in ErrorID. The following figure shows the effect after an error occurs.













You can also see it in the variable table by right-clicking and converting to hexadecimal.















Since the error is caused by the NC module, you can find the corresponding error description in the NC Error Codes.















All NC errors in NC can be found in NC Error Codes in InfoSys.














You can find Infosys in the start menu (if not, you need to install InfoSys.exe)