A0149 alarm in WEG CFW500 Drive indicates Ethernet Offline. This means the network connection between the Ethernet module and the master controller has been lost.
Cause:
- The network master is not configured or operating normally.
- Short-circuit or bad contact in the communication cables.
- General installation grounding/cable routing issues.
Remedy:
Check network configuration. Inspect the cabling and general installation routing for grounding integrity or line faults.
