Parker AC690, AC890, AC30, AC10 & Fastpack Drive
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Apr 29, 2025 9:44 am
Cause : SCI COMMS BREAK comes when a communication failure between the drive and an external device, such as a programmable logic controller (PLC), human-machine interface (HMI), or other communication network. This fault can prevent the drive from receiving commands or sending feedback.
SCI COMMS BREAK fault in Parker AC890 drive indicates that there is a communication break or disruption between the drive and its controlling device or network. This fault can occur if there is an issue with the communication link, such as a lost connection or incorrect configuration.
Troubleshooting Steps:
Follow below steps to correct SCI COMMS BREAK fault in Parker AC890 drive:
- Check Communication Cables:
- Inspect the communication cables for any signs of damage, corrosion, or loose connections.
- Ensure that the cables are securely connected to both the drive and the external device.
- Verify Network Connectivity:
- Check the status of the communication network and ensure that there are no connectivity issues.
- Try pinging the external device from the drive to verify network communication.
- Review Drive Configuration:
- Verify that the communication settings on the drive are correct and compatible with the external device.
- Check for any errors or warnings related to communication in the drive's status messages.
- Test External Device:
- Try communicating with the external device using another device or software to isolate the issue.
- If the external device is faulty, it may need to be repaired or replaced.
