A0163 alarm in WEG CFW500 Drive indicates a Signal Fault on AIx. This means the 4-20mA signal on the analog input has dropped below 2mA, indicating a broken wire or lost sensor connection.
Cause:
- Current signal on the analogue input AIx is interrupted or null.
- Parameterization error on analogue input AIx.
Remedy:
Check current loop wiring on analogue input AIx for breaks or open circuits. Verify terminal screw contacts and parameter configuration settings for AIx.
