Applicable Systems
S7-1200
S7-1500
S7-300
S7-400
LOGO!
SINAMICS
Symptoms
STOP A safety function has been triggered.
Possible Causes
- Safety input activated
- STO command received
- Safety relay triggered
Troubleshooting Steps
- Step 1: Check safety input signal
Safety input status normal - Step 2: Verify safety relay operation
Relay functioning correctly - Step 3: Clear safety command
Command cleared
How to Reset
Reset by clearing safety command and acknowledging fault.
Source: Siemens SINAMICS G120 List Manual
Category: PLC & VFD