Error description 1C7-021B

Error message

MC drives cannot be switched on: NN_GenSafe = 0

Cause of error

- SPLC interface signal NN_GenSafe = 0. It is therefore impossible to switch on the drives.
- SPLC program does not set the interface signal.
- The machine parameter MP_skipEmStopTest has been set.

Error correction

- Check the SPLC program.
- Check the entry in MP_skipEmStopTest.
- Inform your service agency.