Applicable Systems
S7-1200
S7-1500
S7-300
S7-400
LOGO!
SINAMICS
Symptoms
Monitoring channel fault in safety function.
Possible Causes
- Safety monitoring channel failure
- Safety sensor fault
- Wiring fault in safety circuit
Troubleshooting Steps
- Step 1: Check safety monitoring channel
Channel operational - Step 2: Inspect safety circuit wiring
Wiring intact - Step 3: Verify safety sensor operation
Sensor functional
How to Reset
Reset by clearing safety fault after repair and acknowledging.
Source: Siemens SINAMICS G120 List Manual
Category: PLC & VFD