Skip To Main Content

Replace the safety relay if its internal contacts are sticking or failing to operate simultaneously. Step 4: Perform a Hard Reset Test

Loose wires, broken connections, or faulty contacts in the safety circuit. Step-by-Step Troubleshooting for Error 2563 Follow these steps in order to diagnose and fix the issue: 1. Check External Safety Devices

If you have performed a power cycle and confirmed the grounding is correct but the error code 2563 remains, the drive has likely suffered a permanent internal failure. Control Card Go to product viewer dialog for this item.

The 2563 fault indicates that the current sensors within the Danfoss VLT drive have detected a DC component in the output AC current that exceeds the safe operating limits. This alarm is often treated as a "trip lock," requiring a power cycle to reset.