Cause: Custom trip 7 comes when a custom trip function has been activated. This means that an external event or condition that you have configured to trigger a drive trip has occurred.

CT7 CUST TRIP 7 fault in Parker AC890 drive indicates that a custom trip condition has been triggered. This fault is related to a user-defined or custom protection trip in the drive’s settings or application logic.

Troubleshooting Steps:

• Identify the custom trip source.
• Inspect input signals.
• Check drive control wiring.
• Verify sensor/device operation.
• Review trip logic.