Applicable Systems
S7-1200
S7-1500
S7-300
S7-400
LOGO!
SINAMICS
Symptoms
Safety data life sign error detected.
Possible Causes
- Safety communication timeout
- Life sign signal lost
- Safety module communication fault
Troubleshooting Steps
- Step 1: Check safety communication cable
Cable intact and connected - Step 2: Verify safety module operation
Module communicating - Step 3: Check safety communication parameters
Parameters correct
How to Reset
Reset by clearing safety fault after restoring communication.
Source: Siemens SINAMICS G120 List Manual
Category: PLC & VFD