1333
The PLC program is in STOP state because of switch position '1' on the SM-module.
Bosch Rexroth · Motion Control
What does 1333 mean?
The PLC user program is prevented from starting because the physical switch on the SM module is currently set to position '1'. This is a PLC error that requires a change in the module's switch setting or a software override.
Common Causes
- SM module switch set to position '1', preventing PLC program startup.
Repair Steps & Checklist
Click steps to track your progress.
- 1
Change the switch on the NC module to another position (e.g., '0') and initiate a new system startup.
- 2
Alternatively, switch the PLC program to 'RUN' using the programming device monitor.
Verified technical data. Last updated: March 2026
Related Faults
Source: Bosch Rexroth Motion Control