Error description 237-13803

Error message

13803 UM (FS.B):Error during deactivation of the FS communication %1

Cause of error

- Error during deactivation of the FS communication with the UM or UEC
- The signals STO.B and SBC.B were not set during the deactivation of the axis.

Error correction

- Drives must be turned off before deactivating an axis.
- Check the (S)PLC program, and adapt it if necessary.