Applicable Systems
TwinCAT NC
Symptoms
The TwinCAT message router has not been started. ADS routing is unavailable.
Possible Causes
- Message router service failed to start
- TwinCAT System Service not fully initialized
Troubleshooting Steps
- Step 1: Check if the TwinCAT System Service is running
Service is running but router is not started - Step 2: Restart the TwinCAT System Service
Message router starts after service restart
How to Reset
To reset: Restart the TwinCAT System Service to start the message router.
Source: Beckhoff TwinCAT System Manual, Beckhoff Automation
Category: PLC & VFD