Cause : ANALOG INPUT ERROR comes when analog input is incorrectly configured for 4-20mA operation. When an analog input error occurs, the machine may have difficulty accurately reading and responding to these inputs.

ANIN ANALOG INPUT ERROR fault in Parker AC890 drive indicates analog input error. This means a problem with one or more of the analog input channels in drive.

1. Short circuit in external control wiring.
2. Extreme over-range of remote sensor.